Soil Survey of the Yuma-Wellton Area, Arizona-California Francis Ogden Youngs Published: 1933 Total Pages: 58 Get eBook
Soil Survey of Yuma-Wellton Area - Parts of Yuma County, Arizona, and Imperila County, California United States. Soil Conservation Service Published: 1980 Total Pages: 200 Get eBook
Soil Survey of the Yuma-Wellton Area, Arizona-California... F. O. Youngs Published: 1933 Total Pages: 37 Get eBook
Report and Interpretations for the General Soil Map of Yuma County, Arizona Earl G. Chamberlin Published: 1974 Total Pages: 46 Get eBook
