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Long, Keith R., DeYoung, John H., Jr., and Ludington, Steve, 2000, Significant deposits of gold, silver, copper, lead, and zinc in the United States: Economic Geology, v. 95, p. 629-644.
Long, Keith R., Grade, tonnage, and tailings models of Coeur d'Alene-type polymetallic veins, in Proceedings of the 104th Annual Northwest Mining Association Meeting: Spokane, Washington, Northwest Mining Association.
Long, Keith R., 1998, Production and disposal of mill tailings in the Coeur d'Alene mining region, Shoshone County, Idaho; preliminary estimates: U.S.Geological Survey Open-File Report 98-595, 14 p.
Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States: U.S. Geological Survey Open-File Report 98-206A, B, 33 p.
Long, K.R., 1995, Economics of mining law: Nonrenewable Resources, v. 4, p. 74-83.
Long, K.R., 1995, Production and reserves of Cordilleran (Alaska to Chile) porphyry copper deposits, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Arizona Geological Society Digest 20, p.35-68.
Long, K.R., Ludington, S., Du Bray, E., Andre-Ramos, O., and McKee, E.H., 1992,Geology and mineral deposits of the La Joya District, Bolivia: Society of Economic Geologists Newsletter, n. 10, p. 1, 13-16.
Long, Keith R., 1991, A partial glossary of Spanish geological terms exclusive of most cognates: U.S. Geological Survey Open-File Report 91-0579
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