Santa Rosa Valley

U.S. Geological Survey, 1979, Land use and land cover, 1972-74, Tucson, Arizona: U.S. Geological Survey Land Use Series Map L-43, 1 sheet, scale 1:250,000.

U.S. Geological Survey, 1979, Land use and land cover, 1972-73, Ajo, Arizona: U.S. Geological Survey Land Use Series Map L-39, 1 sheet, scale 1:250,000.

U.S. Geological Survey, 1977, Land use and land cover and associated maps for Ajo, Arizona: U.S. Geological Survey Open-File Report 77-0149, 5 sheets, scale 1:250,000.

Turner, R.M., 1976, Detection of short-term changes in vegetation of southern Arizona, in Williams, R.S., Jr., and Carter, W.D., eds., ERTS-1, A new window on our planet: U.S. Geological Survey Professional Paper 929, p. 246-248.

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.

Peterson, J.A., Cox, D.P., and Gray, F., 1987, Mineral resource assessment of the Ajo and Lukeville 1o by 2o quadrangles, Arizona: U.S. Geological Survey Miscellaneous Field Studies Map MF-1834-B, 3 sheets, scale 1:250,000.

Peterson, J.A., Cox, D.P., and Gray, F., 1985, Mineral resource assessment of the Ajo and Lukeville 1o by 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 85-0527, 79 p., 3 sheets, scale 1:250,000.

Peterson, J.A., and Tosdal, R.M., 1986, Mineral occurrence map and tabulation of geologic, commodity, and production data, Ajo and Lukeville 1o by 2o quadrangles, southwestern Arizona: U.S. Geological Survey Miscellaneous Field Studies Map MF-1834-A, 1 sheet, scale 1:250,000.