San Simon Valley(PM)

Bryan, Kirk, 1922, Erosion and sedimentation in the Papago country, Arizona, with a sketch of the geology: U.S. Geological Survey Bulletin 730-B, 90 p., 1 sheet, scale 1:500,000.

Bryan, Kirk, 1920, Geology and physiography of the Papago Country, Arizona [abs.]: Washington Academy of Sciences, Journal, v. 10, no. 2, p. 52-53.

Bryan, Kirk, 1920, Geology, physiography, and water resources of the Papago country, Arizona: New Haven, Yale University, Ph.D. dissertation.

Bryan, Kirk, 1975, Erosion and sedimentation in the Papago Country, Arizona with a sketch of the geology, in Adams, G.F., ed., Planation surfaces, peneplains, pediplains, and etchplains: Stroudsburg, Pa., Dowden, Hutchinson and Ross, Inc., Benchmark Papers in Geology, v. 22, p. 207-227.

Barton, H.N., and Theobald, P.K., 1988, Regional geochemical studies of the Ajo and Lukeville 1o x 2o quadrangles, Arizona, [abs.], in Schindler, K.S., ed., USGS research on mineral resources -- 1989; Fifth annual V.E. McKelvey forum on mineral and energy resources: U.S. Geological Survey Circular 1035, p. 2-4.

Agenbroad, L.D., 1984, Recent valley deposits in southern Arizona, in Smiley, T.L., Nations, J.D., Pewe, T.L., and Schafer, J.P., eds., Landscapes of Arizona - The geological story: Lanham, Md., University Press of America, p. 253-268.