Gold

Thurmond, F.L., 1925, The mill of the Katherine Gold Mining Company: Arizona Mining Journal, v. 9, no. 11, p. 9-10.

Richard, S.M., 1999, Brief overview of the geology and mineral resources of the Tonto Basin, Gila County, Arizona: Arizona Geological Survey Open-File Report 99-11, 15 p., 1 sheet, scale 1:12,660.

Richard, S.M., 1999, Geology of the Socorro Mine - White Marble Mine area, western Harquahala Mountains, west-central Arizona: Arizona Geological Survey Open-File Report 99-09, 35 p., 2 sheets, scale 1:12,000.

Richard, S.M., Ferguson, Charles, and Skotnicki, Steven, 1997, Geology of the Fortuna Mine, Yuma County, Arizona: Arizona Geological Survey Open-File Report 97-16, 14 p.

Cox, L.J., 1994, Geology of the gold placers in the Greaterville District, Arizona, in Thorman, C.H., and Lane, D.E., eds., USGS Research on Mineral Resources - 1994, Part B - Guidebook for Field Trips, Ninth V.E. McKelvey Forum on Mineral and Energy Resources: U.S. Geological Survey Circular 1103-B, p. 53-60.

Norman, Sidney, 1919, Kay Copper big mine: Northwest Mining Truth [Spokane, Wash.], v. 4, no. 5, April 18, p. 1.

U.S. Bureau of Mines, 1945, Bullard Mine, Pierce Mining District, Yavapai County, Ariz.: U.S. Bureau of Mines War Minerals Report 453, 5 p.

U.S. Bureau of Mines, 1945, Apex property, Coconino County, Ariz.: U.S. Bureau of Mines War Minerals Report 436, 8 p.

U.S. Bureau of Mines, 1945, Effect of the war upon mining and metallurgy in Arizona: U.S. Bureau of Mines War Minerals Report 403, 34 p.

U.S. Bureau of Mines, 1944, Sullivan Mine, Cochise County, Ariz.: U.S. Bureau of Mines War Minerals Report 337, 8 p.