Geography

Peirce, H.W., 1989, Conceptualizing earth history: The (mis)use of 'here': Fieldnotes [Arizona Bureau of Geology and Mineral Technology], v. 15, no. 3, p. 7-10.

Trapp, R.A., and Reynolds, S.J., 1995, Map showing names and outlines of physiographic areas in Arizona used by the Arizona Geological Survey, with base map showing township and range only: Arizona Geological Survey Open-File Report 95-02b, 1 sheet, scale 1:1,000,000.

Trapp, R.A., and Reynolds, S.J., 1995, Map showing names and outlines of physiographic areas in Arizona used by the Arizona Geological Survey, with comprehensive base map: Arizona Geological Survey Open-File Report 95-02a, 1 sheet, scale 1:1,000,000.

Mitcham, T.W., 1959, Viking rocket photograph of Arizona, California and northern Mexico west of Tucson, Arizona, in Heindl, L.A., ed., Southern Arizona Guidebook II, combined with the 2nd annual Arizona Geological Society Digest: Arizona Geological Society, p. xvi-xix.

Redway, J.W., 1907, The vagaries of the Colorado River: Scottish Geographical Magazine, v. 23, p. 360-363.

Ransome, F.L., 1919, The copper deposits of Ray and Miami, Arizona: U.S. Geological Survey Professional Paper 115, 192 p., 15 sheets, scales 1:4,800, 1:12,000, 1:125,000.

Parker, W.H., 1962, A systematic regional geography, v. 6., Anglo-America, Canada and the United States: London, University of London Press, Ltd., p. 255-257, plate 22.

Margerie, E. de, 1952, Etudes Americaines geologie et geographie: Paris, Librairie Armand Colin, v. 1, 294 p.

Mallory, W.W., ed.-in-chief, 1972, Geologic atlas of the Rocky Mountain region: Denver, Rocky Mountain Association of Geologists, 331 p.

Kam, William, 1964, Geology and ground-water resources of McMullen Valley, Maricopa, Yavapai, and Yuma Counties, Arizona: U.S. Geological Survey Water-Supply Paper 1665, 64 p., 6 sheets.