Ponce, D.A., 1990, Geophysics - Gravity and magnetic methods, in Peterson, J.A., ed., Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 90-0276, p. 41-56.
Cobre Ridge
Placename Counties
SC
Placename Label
Cobre Ridge
Geophysics - Gravity and magnetic methods, in Peterson, J.A., ed., Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona
Geochemistry, in Peterson, J.A., ed., Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona
Chaffee, M.A., 1990, Geochemistry, in Peterson, J.A., ed., Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 90-0276, p. 19-40.
Geology, in Peterson, J.A., ed., Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona
Peterson, J.A., Bergquist, J.R., Reynolds, S.J., and Page-Nedell, S.S., 1990, Geology, in Peterson, J.A., ed., Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 90-0276, p. 8-18.
Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona
Peterson, J.A., ed., 1990, Preliminary mineral resource assessment of the Tucson and Nogales 1o by 2o quadrangles, Arizona: U.S. Geological Survey Open-File Report 90-0276, 134 p., 24 sheets, scale 1:250,000.
Arizona lode gold mines and gold mining
Wilson, E.D., Cunningham, J.B., and Butler, G.M., 1934, Arizona lode gold mines and gold mining: Arizona Bureau of Mines Bulletin no. 137, 261 p.
Arizona gold placers and placering [Third edition, revised]
Wilson, E.D., Tenney, J.B., Fansett, G.R., Johnson, C.H., Smith, M.C., Perkins, F.P., Vorhies, C.T., and Butler, G.M., 1932, Arizona gold placers and placering [Third edition, revised]: Arizona Bureau of Mines Bulletin no. 132, 114 p.
Arizona gold placers (Second edition, Revised)
Wilson, E.D., 1927, Arizona gold placers (Second edition, Revised): Arizona Bureau of Mines Bulletin no. 124, 60 p.
Land use and land cover and associated maps for Atascosa Mountains, Arizona
U.S. Geological Survey, 1978, Land use and land cover and associated maps for Atascosa Mountains, Arizona: U.S. Geological Survey Open-File Report 77-0807, 5 sheets, scale 1:100,000.
Land use and land cover and associated maps for Sells, Arizona
U.S. Geological Survey, 1978, Land use and land cover and associated maps for Sells, Arizona: U.S. Geological Survey Open-File Report 77-0809, 5 sheets, scale 1:100,000.
Map showing potential for copper deposits in the eastern three-quarters of the Nogales 2o quadrangle, Tucson area, Arizona
U.S. Geological Survey, 1973, Map showing potential for copper deposits in the eastern three-quarters of the Nogales 2o quadrangle, Tucson area, Arizona: U.S. Geological Survey Miscellaneous Investigations Series Map I-844-G, 1 sheet, scale 1:250,000.
