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.
Soil Survey
Keywords Group
Soil
Soil survey of the Casa Grande area, Arizona
Soil survey of the Sulphur Spring Valley area, Arizona
Poulson, E.N., Sweet, A.T., Bailey, J.W., and Harper, W.G., 1954, Soil survey of the Sulphur Spring Valley area, Arizona: U.S. Department of Agriculture, Soil Conservation Service, series 1940, no. 14, 79 p., 3 sheets.
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.
Soil survey of the Duncan area, Arizona-New Mexico
Poulson, E.N., and Stromberg, L.K., 1950, Soil survey of the Duncan area, Arizona-New Mexico: U.S. Department of Agriculture, and University of Arizona, Agricultural Experiment Station, series 1941, no. 1, 48 p., 2 sheets, scale 1:16,000.
Barrenness of desert pavement in Yuma County, Arizona
Musick, M.B., 1975, Barrenness of desert pavement in Yuma County, Arizona: Arizona Academy of Science, Journal, v. 10, no. 1, p. 24-28.
Soil associations, western half of the Tucson 1o x 2o quadrangle [(a) northern half, (b) southern half]
Morrison, R.B., 1977, Soil associations, western half of the Tucson 1o x 2o quadrangle [(a) northern half, (b) southern half]: Arizona Bureau of Geology and Mineral Technology Open-File Report 83-02, 5 p., 2 sheets, scale 1:120,000.
Soil associations of the Tucson-Ajo area 2o x 1o area, Arizona (eastern half)
Morrison, R.B., 1970, Soil associations of the Tucson-Ajo area 2o x 1o area, Arizona (eastern half): Arizona Bureau of Geology and Mineral Technology Open-File Report 83-17, 2 sheets, scale 1:120,000.
Soil survey of Apache County, Arizona, central part
Miller, M.L., and Larsen, Kermit, 1975, Soil survey of Apache County, Arizona, central part: U.S. Department of Agriculture, Soil Conservation Service, 82 p., 103 sheets, scale 1:31,680.
General soil map, Coconino County, Arizona, May 1972, text revised and interpretations added by M.L. Richardson
Miller, M.L., and James, M.S., 1972, General soil map, Coconino County, Arizona, May 1972, text revised and interpretations added by M.L. Richardson: U.S. Department of Agriculture, Soil Conservation Service, 52 p., 1 sheet, scale 1:633,600.
General soil map, Apache County, Arizona
Miller, M.L., 1970, General soil map, Apache County, Arizona: U.S. Department of Agriculture, Soil Conservation Service, 12 p., 2 sheets, scale 1:500,000.
