F. O. Youngs

Soil survey of the Virgin Rive

Soil survey of the Virgin River Valley area, Utah-Arizona

1942

Soil survey ... The Price area

Soil survey ... The Price area, Utah

1939

Soil survey of the Price area,

Soil survey of the Price area, Utah

1939

Soil survey of the Tucson area

Soil survey of the Tucson area, Arizona

1936

Soil survey of the Gooding Are

Soil survey of the Gooding Area, Idaho

1933

Soil survey of the Yuma-Wellto

Soil survey of the Yuma-Wellton area, Arizona-California

1933

Soil survey of the Gila Bend a

Soil survey of the Gila Bend area, Arizona

1931

Soil survey of the Paradise-Ve

Soil survey of the Paradise-Verde area, Arizona

1931

Soil survey of the Moapa Valle

Soil survey of the Moapa Valley Area, Nevada

1928