Sonsela Buttes

Callaghan, E., 1951, Tertiary and later igneous rocks of the San Juan Basin, in Guidebook of the south and west sides of the San Juan Basin, New Mexico and Arizona, in Smith, C.T., ed., Guidebook of the south and west sides of the San Juan Basin, New Mexico and Arizona: New Mexico Geological Society 2nd Field Conference Guidebook, p. 119-123.

Byers, V.P., 1980, Geologic map and sections of the Sonsela Butte 4 SE quadrangle, Apache County, Arizona, and San Juan and McKinley Counties, New Mexico: U.S. Geological Survey Open-File Report 80-0788, 1 sheet, scale 1:24,000.

Akers, J.P., Shorty, J.C., and Stevens, P.R., 1971, Hydrogeology of the Cenozoic igneous rocks, Navajo and Hopi Indian Reservations, Arizona, New Mexico, and Utah: U.S. Geological Survey Professional Paper 521-D, 18 p.

Agenbroad, L.D., and Mead, J.I., 1987, Late Pleistocene alluvium and megafauna dung deposits of the central Colorado Plateau, in Davis, G.H., and VandenDolder, E.M., eds., Geologic diversity of Arizona and its margins: Excursions to choice areas; Geological Society of America, Annual Meeting, 100th, Phoenix, Ariz., October 26-29, 1987, Field-trip guidebook: Arizona Bureau of Geology and Mineral Technology Special Paper 5, p. 68-84.

Adler, H.H., 1974, Concepts of uranium-ore formation in reducing environments in sandstones and other sediments [IAEA-SM-183/43], in Formation of uranium ore deposits, Proceedings of a symposium on the Formation of uranium ore deposits: Vienna, International Atomic Energy Agency, Proceedings Series, STI/PUB/374, p. 141-168.