De Wall, A.A., 1981, Soil survey of Gila-Duncan area, Arizona, parts of Graham and Greenlee Counties: U.S. Department of Agriculture, Soil Conservation Service and U.S. Department of the Interior, Bureau of Land Management, in cooperation with Arizona Agricultural Experiment Station, 174 p., 79 sheets, scale 1:24,000.
biological aspects of geology, used generally to refer to vegetation, e.g., organically influenced sedimentation, id of concealed rock unit by vegetation at surface, indicator plants used for mineral exploration
McGuire, C.E., 1997, Soil Survey of San Pedro Valley, Arizona - An interim report from the Soil Survey of Cochise County, Douglas-Tombstone part: U.S. Department of Agriculture, Soil Conservation Service, 343 p., 22 sheets, scale 1:24,000.
Camp, P.D., 1986, Soil survey of Aguila-Carefree area, parts of Maricopa and Pinal Counties, Arizona: U.S. Department of Agriculture, Soil Conservation Service, 306 p., 28 sheets, scales 1:24,000, 1:506,880 [26 double-sided loose sheets].
Rosner, Ulrike, 1998, Historical mining and its impact on the vegetation, an example from the Cerbat Mountains, Mohave County, Arizona: Arizona-Nevada Academy of Science, Journal, v. 31, no. 1, p. 37-55.
Schumann, H.H., and Thomsen, B.W., 1972, Hydrologic regimen of lower Tonto Creek Basin, Gila County, Arizona, A reconnaissance study: Arizona Water Commission Bulletin 3, 39 p.
Davidson, E.S., 1973, Water-resources appraisal of the Big Sandy area, Mohave County, Arizona: Arizona Water Commission Bulletin 6, 40 p., 2 sheets, scale 1:32,000.
Grimm, N.B., and Fisher, S.G., 1986, Nitrogen limitation potential of Arizona streams and rivers: Arizona-Nevada Academy of Science, Journal, v. 21, p. 31-43.
Anderson, R.S., 1993, A 35,000 year vegetation and climate history from Potato Lake, Mogollon Rim, Arizona: Quaternary Research, v. 40, no. 3, p. 351-359.
Aldon, E.F., 1968, Moisture loss and weight of the forest floor under pole-size ponderosa pine stands: Journal of Forestry, v. 66, p. 70-71.
U.S. Department of Agriculture, Forest Service, 1970, Hydrologic analysis of proposed vegetation conversion, East Fork of Sycamore Creek: U.S. Department of Agriculture, Forest Service, Region Three, Albuquerque, New Mexico, unpublished report, 62 p.