Soil survey of the Yuma-Wellton area, Arizona-California
Youngs, F.O., Harper, W.G., Thorp, James, and Isaacson, M.R., 1933, Soil survey of the Yuma-Wellton area, Arizona-California: U.S. Department of Agriculture, Bureau of Chemistry and Soils, series 1929, no. 20, 37 p., 1 sheet, scale 1:62,500.
Authors
Youngs, F.O., Harper, W.G., Thorp, James, and Isaacson, M.R.
Publication Date
1933
Citation
U.S. Department of Agriculture, Bureau of Chemistry and Soils, series 1929, no. 20, 37 p., 1 sheet, scale 1:62,500.
