Casa Grande Santa Cruz

THE GETTY OIL COMPANY ANNUAL REPORT OF 1978.MINING MAGAZINE. IN SITU COPPER MINING TESTS IN U.S.A.DEC. 1988. P. 460.AHLNESS., MILLENACKER. BUREAU OF MINES INVESTIGATES IN SUTUCOPPER MINING. FEB., MARCH. 1989. PP. 9-15.THE MINING RECORD. ASARCO TAKES LEGAL ACTION IN MININGRESEARCH VENTURE. MACH 21, 1990. P. 3.MINING JOURNAL, LONDON, DRAFT MINE DESIGN. SEPT. 29, 1989.MINING ENGINEERING. IN SITU COPPER MINING AT SANTA CRUZ:A PROJECT UPDATE. AUGUST 1991. PP. 1031-1034.A MINING RESEARCH CONTRACT REPORT. GENERIC IN SITU COPPERMINE DESIGN MANUAL. VOLUME 111, LAKESHORE FIELDEXPERIMENT AND DESIGN OF COMMERCIAL SCALE OPERATION.BUREAU OF MINES U.S. DEPT. OF THE INTERIOR. APRIL 1988.PAY DIRT. SANTA CRUZ IN SITU COPPER LEACHING RESEARCHLOOKING GOOD. FEB. 1992. P. 3B.AMERICAN MINING MANUAL. COPPER PROJECT GETS GREEN LIGHT.1994. P. 7SKILLINGS MINING REVIEW. ARIZ. IN SITU MINING RESEARCHPROJECT PROCEEDS. NOV. 26, 1994. P.15.SOUTHWESERN PAY DIRT. INDUSTRY-GOVERNMENT PROJECT HAS BIGPOTENTIAL. FEB., 1995. PP.4A-9A.MINING RECORD. PILOT-SCALE TEST BEGINS AT SANTA CRUZIN-SITU PROJECT. V.107/N8 FEB. 21, 1996. P. 4.AMCJ, 2/89, P. 16; DAHL, LINDA J., SUMMARY RPT.-CASA GRANDEUSMB.