Sil Nakya Hills

Texas Instruments, Inc., 1978, Aerial radiometric and magnetic reconnaissance survey of portions of Arizona-New Mexico - Tucson quadrangle, V. 2-C: U.S. Department of Energy Report GJBX-23(79), 215 sheets, scale 1:500,000.

Richardson, M.L., and Miller, M.L., 1974, Report and interpretations for the general soil map, Pima County, Arizona: U.S. Department of Agriculture, Soil Conservation Service, 49 p., 1 sheet, scale 1:500,000.

Place, J.L., 1976, Monitoring change in land use over large regions, in ERTS-1, A new window on our planet: U.S. Geological Survey Professional Paper 929, p. 230-233.

Pearthree, P.A., McKittrick, M.A., Jackson, G.W., and Demsey, K.A., 1988, Geologic map of Quaternary and upper Tertiary deposits, Tucson 1o x 2o quadrangle, Arizona: Arizona Geological Survey Open-File Report 88-21, 1 sheet, scale 1:250,000.

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.

Morrison, R.B., 1977, Slope-relief of the western half of the Tucson 2o x 1o area, Arizona: Arizona Bureau of Geology and Mineral Technology Open-File Report 83-01, 1 sheet, scale 1:120,000.

Morrison, R.B., 1975, Tucson 1o x 2o quadrangle, ease of excavation and potential erodibility, phases 4 and 5: Arizona Bureau of Geology and Mineral Technology Open-File Report 83-03, 3 p., 1 sheet, scale 1:250,000.

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.

Morrison, R.B., 1970, Geomorphic (landform) features of the Tucson-Ajo 2o x 1o area, Arizona (eastern half): Arizona Bureau of Geology and Mineral Technology Open-File Report 83-16, 2 sheets, scale 1:120,000.

Higgins, G.H., 1979, Papago Indian Reservation water sample analyses: U.S. Department of Energy Report GJBX-102(79), 18 p.