Echo Cliffs

Taylor, M.A., and Duncan, J.T., 1993, Radon on the Navajo Indian Reservation, Arizona, New Mexico, and Utah, in Spencer, J.E., ed., Radon in Arizona: Arizona Geological Survey Bulletin 199, p. 82-85.

Granger, H.C., 1951, Preliminary summary of reconnaissance for uranium in Arizona: U.S. Geological Survey, U.S. Atomic Energy Commission, Trace Elements Memorandum Report TEM-304, 11 p.

Wilson, R.L., 1956, Stratigraphy and economic geology of the Chinle Formation, northeastern Arizona: Tucson, University of Arizona, Ph.D. dissertation, 257 p., 5 sheets, scales 1:1,200 and 1:370,000.

Wilson, E.D., 1962, Geologic cross-sections, Sections 2 and 3, in Moore, R.T., and Wilson, E.D., Geologic cross-sections of Arizona: Arizona Bureau of Mines, 1 sheet [now available as Arizona Geological Survey Map M-7-1].

Williams, F.E., 1966, Potential pozzolon deposits in Arizona: Tucson, University of Arizona, M.S. thesis, 93 p.

Wanek, A.A., and Stephens, J.G., 1953, Reconnaissance geologic map of the Kaibito and Moenkopi Plateaus and parts of the Painted Desert, Coconino County, Arizona: U.S. Geological Survey Oil and Gas Investigations Map OM-145, 2 sheets, scale 1:150,000.

Vandersluis, G.D., and Hauf, C.B., 1969, Road log, Yaki Point (top of the Kaibab Trail on the South Rim of the Grand Canyon) to Lee's Ferry, Arizona via Cameron, in Baars, D.L., ed., Geology and natural history of the Grand Canyon region: Four Corners Geological Society 5th Field Conference Guidebook, p. 201-212.

U.S. Atomic Energy Commission, and U.S. Geological Survey, 1970, Preliminary reconnaissance for uranium in Coconino County, Arizona, 1951 to 1955: U.S. Atomic Energy Commission Report RME-155, 119 p.

Strahler, A.N., 1940, Landslides of the Vermilion and Echo cliffs, northern Arizona: Journal of Geomorphology, v. 3, no. 4, p. 285-300.

Strahler, A.N., 1940, Landslides of the Vermilion and Echo Cliffs, Northern Arizona: New York, Columbia University, M.S. thesis.