Miller, M.L., 1969, General soil map, Navajo County, Arizona: U.S. Department of Agriculture, Soil Conservation Service, 15 p., 1 sheet, scale 1:500,000.
Miller, M.L., 1969, General soil map, Navajo County, Arizona: U.S. Department of Agriculture, Soil Conservation Service, 15 p., 1 sheet, scale 1:500,000.
Soil Survey,