Clay

Kiersch, G.A., 1955, Mineral resources, Navajo-Hopi Reservations, Arizona-Utah, Volume III, Construction materials - Geology, evaluation, and uses, with sections by John C. Haff and H. Wesley Peirce: Tucson, University of Arizona Press, 81 p.

Kauffman, A.J., 1942, Identification of certain sepiolites: N.Y., Columbia University, M.S. thesis.

Jones, R.C., 1971, The characteristics of X-amorphous phases of Arizona bentonite: Tucson, University of Arizona, Ph.D. dissertation.

Janders, D.J., 1978, Comparative sedimentology, stratigraphy and economic potential of two Tertiary lacustrine deposits in Arizona: Tempe, Arizona State University, M.S. thesis.

Industrial Minerals, 1973, Bentonite in the USA: Industrial Minerals, v. 66, p. 9-17.

Haines, D.V., and Bowles, C.G., 1976, Preliminary geologic map and sections of the Wupatki NE quadrangle, Coconino County, Arizona: U.S. Geological Survey Open-File Report 76-0703, 1 sheet, scale 1:24,000.

Greenspoon, G.N., and Schroeder, H.J., 1973, The mineral industry of Arizona: U.S. Bureau of Mines Minerals Yearbook, 1973, v. 2, p. 69-87.

Gray, Floyd, Miller, R.J., Pitkin, J.A., Bagby, W.C., Hassemer, J.R., McCarthy, J.H., Hanna, W.F., Conant-Callas, M.L., and Lane, M.E., 1989, Mineral resources of the Arrastra Mountain/Peoples Canyon Wilderness Study Area, La Paz, Mohave, and Yavapai Counties, Arizona, Chapter E, in Mineral resources of Wilderness Study Areas - Western Arizona and part of San Bernardino County, California: U.S. Geological Survey Bulletin 1701-E, p. E1-E28, 1 sheet, scale 1:62,500.

Glanzman, R.K., 1978, New occurrences of the lithium-rich smectite, hectorite, in Geological Survey research 1978: U.S. Geological Survey Professional Paper 1100, p. 42-43.

Funnell, J.E., and Wolfe, E.J., 1964, Compendium on nonmetallic minerals of Arizona: San Antonio, Tex., Southwest Research Institute, 374 p. [prepared for Arizona Public Service Company, Phoenix, Ariz.].