Romans, R.C., 1972, Schizaeaceous fern spores from the Cretaceous of Arizona: Arizona Academy of Science, Journal, v. 7, no. 3, p. 120-124.
Coal
Keywords Group
Schizaeaceous fern spores from the Cretaceous of Arizona
Late Cretaceous formations of Black Mesa, Arizona
Reagan, A.B., 1925, Late Cretaceous formations of Black Mesa, Arizona: Pan-American Geologist, v. 44, p. 285-294.
Coal near Pinedale, Navajo County, Arizona
Reagan, A.B., 1911, Coal near Pinedale, Navajo County, Arizona: Science, new series, v. 34, p. 271-272.
Geology of the Fort Apache region in Arizona
Reagan, A.B., 1903, Geology of the Fort Apache region in Arizona: American Geologist, v. 32, no. 5, p. 265-308.
Department of Geology, Arizona State University, in Geology at Arizona's universities
Pewe, T.L., 1974, Department of Geology, Arizona State University, in Geology at Arizona's universities: Fieldnotes [Arizona Bureau of Mines], v. 4, no. 4, p. 2, 5-7, 10.
Intertonguing marine and nonmarine Upper Cretaceous deposits of New Mexico, Arizona, and southwestern Colorado
Pike, W.S., Jr., 1947, Intertonguing marine and nonmarine Upper Cretaceous deposits of New Mexico, Arizona, and southwestern Colorado: Geological Society of America Memoir 24, 103 p., 3 sheets, scale 1:500,000.
G.S.A. field trip guide to coal deposits of Black Mesa and geologic road log between Phoenix and Page, Arizona [Geological Society of America, Coal Geology Division, Guidebook to Field Trip No. 15, Phoenix-Black Mesa-Page, Arizona,...
Peirce, H.W., Dahl, G.G., Jr., and Peirce, M.W., 1979, G.S.A. field trip guide to coal deposits of Black Mesa and geologic road log between Phoenix and Page, Arizona [Geological Society of America, Coal Geology Division, Guidebook to Field Trip No. 15, Phoenix-Black Mesa-Page, Arizona, November 3-4, 1979]: Arizona Bureau of Geology and Mineral Technology Open-File Report 79-04, 45 p., 1 sheet, scale 1:2,500,000.
Land
Peirce, H.W., 1979, Land: Fieldnotes [Arizona Bureau of Geology and Mineral Technology], v. 9, no. 3, p. 4-7, 13.
Coal - Arizona's most important energy resource?
Peirce, H.W., 1975, Coal - Arizona's most important energy resource?: Fieldnotes [Arizona Bureau of Mines], v. 5, no. 4, p. 1-3.
Coal, oil, natural gas, helium, and uranium in Arizona
Peirce, H.W., Keith, S.B., and Wilt, J.C., 1970, Coal, oil, natural gas, helium, and uranium in Arizona: Arizona Bureau of Mines Bulletin 182, 289 p., 19 sheets, scales 1:300,000, 1:500,000, 1:1,000,000, 1:2,500,000 [reprinted 1975].
