Bagby, W.C., Haxel, G.B., Smith, D.B., Koch, R.D., Grubensky, M.J., Sherrod, D.R., and Pickthorn, L.B.G., 1987, Mineral resource assessment of the Kofa National Wildlife Refuge, Arizona: U.S. Geological Survey Open-File Report 87-0609, 82 p., 6 sheets, scale 1:100,000.
Kofa Mts.
Placename Counties
LP YU
Placename Label
Kofa Mts.
Mineral resource assessment of the Kofa National Wildlife Refuge, Arizona
Arizona gold placers and placering (Fourth edition, reprinted 1937)
Wilson, E.D., Fansett, G.R., Johnson, C.H., Smith, M.C., Perkins, F.P., Vorhies, C.T., and Butler, G.M., 1937, Arizona gold placers and placering (Fourth edition, reprinted 1937): Arizona Bureau of Mines Bulletin no. 142, 148 p.
Arizona gold placers
Allen, M.A., 1922, Arizona gold placers: Arizona Bureau of Mines Bulletin no. 118, 24 p., 1 sheet.
Analytical results and sample locality maps of stream-sediment, heavy-mineral-concentrate, and rock samples from the Kofa National Wildlife Refuge, Yuma and La Paz counties, Arizona
Adrian, B.M., Smith, D.B., Hill, R.H., Roemer, T.A., Vaughn, R.B., and Delaney, T.A., 1986, Analytical results and sample locality maps of stream-sediment, heavy-mineral-concentrate, and rock samples from the Kofa National Wildlife Refuge, Yuma and La Paz counties, Arizona: U.S. Geological Survey Open-File Report 86-0199, 122 p., 2 sheets, scale 1:100,000.
