References
ROBINSON, R.F. AND COOK, A.,1966, THE SAFFORD COPPER DEPOSIT, LONE STAR MINING DISTRICT, GRAHAM COUNTY, ARIZONA, IN: GEOLOGY OF THE PORPHYRY COPPER DEPOSITS Southwestern North America, EDITED BY TITLEY, S.R AND HICKS, C.L. THE UNIVERSITY OF ARIZONA PRESS, TUCSON, ARIZ., P. 251-266SLOOP, JUNE 1,1967, ATOMIC ENERGY COMMISSION AVAIL FROM CLEARINGHOUSE FOR FED SCIENT AND TECH INFO, SPRINGFIELD VAKENNECOTT INVESTIGATES SOLUTION MINING POTENTIAL OF DEEP CU DEPOSIT E/MJ SEPT 1975 VOL 176 NO 9 P37KENNECOTT TRYING SOLUTION MINING AT SAFFORD PROSPECT, PAY DIRT 8/25/75 P42HANSEN, S AND RABB, D , SEEK PROFITABILITY ANSWER TO NUCLEAR IN-SITU COPPER LEACHING AT SAFFORD, WORLD MINING, JAN 1978,V 4 NO 1, P 24-27SKILLINGS' MINING REVIEW, 11-30-96, P.6.SW PAY DIRT, 2-95, P.10A.Langton, J.M., and Williams, S.A., 1982, Structural, petrological and mineralogical controls for the Dos Pobres orebody, Lone Star mining district, Graham County, Arizona, in Titley, S.R., ed., Advances in geology of the porphyry copper deposits, southwestern North America University of Arizona Press, Tucson pp 335-352Williams, S.A., and Forrester, J.D., 1995, Characteristics of porphyry copper deposits, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Tucson, Arizona Geological Society Digest 20, p. 21?34The Lone Star and Safford webpages at portergeo.com contain geological descriptions. \nhttp://www.portergeo.com.au/JUST SIMPLY KENNECOTT, SALT LAKE CITY TRIBUNE, MARCH 19,1983.WORLD MINING MAGAZINE. MAY 1981, P. 51.PHELPS DODGE CORP SEC FM 10-K REPT. 12/31/93., P. 10.PHELPS DODGE CORP., 1994 10-K, P.14.PHELPS DODGE CORP. 1995 ANNUAL REPORT, P.23.