Poulson, E.N., Wildermuth, R., and Harper, W.G., 1941, Soil survey of the Casa Grande area, Arizona: U.S. Department of Agriculture, and University of Arizona, Agricultural Experiment Station, series 1936, no. 7, 94 p., 1 sheet, scale 1:62,500.
Authors
Poulson, E.N., Wildermuth, R., and Harper, W.G.
Publication Date
1941
Citation
U.S. Department of Agriculture, and University of Arizona, Agricultural Experiment Station, series 1936, no. 7, 94 p., 1 sheet, scale 1:62,500.