Soil survey of the upper Gila Valley area, Arizona
Poulson, E.N., and Youngs, F.O., 1938, Soil survey of the upper Gila Valley area, Arizona: U.S. Department of Agriculture, and University of Arizona, Agricultural Experiment Station, series 1933, no. 15, 41 p., 1 sheet, scale 1:62,500.
Authors
Poulson, E.N., and Youngs, F.O.
Publication Date
1938
Citation
U.S. Department of Agriculture, and University of Arizona, Agricultural Experiment Station, series 1933, no. 15, 41 p., 1 sheet, scale 1:62,500.