Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985

Millard Sheets, Detail from Horses at Play, lithograph, c.1985