Reference | {Deposit:: COOPER, J.R., AND SILVER, L.T., 1964, U.S. GEOLOGICAL SURVEY PROF. PAPER 416.}{Deposit:: COOPER, J.R., 1950, ARIZ. BUREAU OF MINES, GEOL. SER. 18, BULL 156.}{Deposit:: LIVINGSTON, MAUGER, BENNETT, AND LAUGHLIN, 1967, JGR, V. 72, P. 1361-1375.}{Deposit:: ROMSLO, T.M. 1949, INVESTIGATION OF KEYSTONE AND ST. GEORGE COPPER ZINC DEPOSITS, COCHISE COUNTY, ARIZONA: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4504, 21 P.}{Deposit:: 1945 GEOLMAP E.D. WILSON, ARIZ. BUREAU MINES, MAPPED MINE}{Deposit:: 1947 DIREXPL U.S. BUREAU MINES, TWO HOLES DRILLED}{Production:: COOPER & SILVER 1964} |