Coal

Gregory, H.E., and Moore, R.C., 1931, The Kaiparowits region; a geographic and geologic reconnaissance of parts of Utah and Arizona: U.S. Geological Survey Professional Paper 164, 161 p., 3 sheets, scale 1:250,000.

Gregory, H.E., 1950, Geology and geography of the Zion Park region, Utah and Arizona: U.S. Geological Survey Professional Paper 220, 200 p., 5 sheets, scale 1:125,000.

Gregory, H.E., 1917, Geology of the Navajo Country; a reconnaissance of parts of Arizona, New Mexico, and Utah: U.S. Geological Survey Professional Paper 93, 161 p., 2 sheets, scale 1:500,000.

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.

Goicoechea, A., Duckstein, L., and Fogel, M.M., 1977, Decision making in a multiple-use approach to the reclamation of strip-mined lands, in White, L.M., ed., Hydrology and water resources in Arizona and the Southwest, V. 7: American Water Resources Association, Arizona Section, and Arizona Academy of Science, Hydrology Section, Annual Meeting, Las Vegas, Nev., 1977, Proceedings, p. 69-78.

Gluskoter, H.J., Ruch, R.R., Miller, W.G., Cahill, R.A., Dreher, G.B., and Juhn, J.K., 1977, Trace elements in coal, occurrence and distribution: Illinois State Geological Survey Circular 499, 154 p.

Fischer, J.N., 1976, Simulation of hydrologic processes for surface mined lands: Tucson, University of Arizona, Ph.D. dissertation, 122 p.

Everett, F.D., 1974, The mineral industry of Arizona: U.S. Bureau of Mines Minerals Yearbook, 1974, v. 2, p. 73-92.

Dumble, E.T., 1902, A carboniferous coal in Arizona: American Geologist, v. 30, p. 270.

Dove, F.H., 1973, Groundwater in the Navajo Sandstone: A subset of 'Simulation of the effects of coal-fired power developments in the Four Corners region': Tucson, University of Arizona, Ph.D. dissertation, 133 p.