References
ARIZONA BUMINES, 1959, GEOLOGIC MAP OF GILA COUNTY, ARIZONAARIZONA DEPT. OF MINERAL RESOURCES, MINERALS AVAILABILITYSYSTEM ARIZONA FLUORSPAR: GRANT NO. G0254012 FOR U.S.BUMINES, MARCH 25, 1976, P. 2BRAKE, E. LEVI, U.S. BUMINES HEALTH AND SAFETY REPORT ONBLUEBIRD MINE AND MILL: AUG 16, 1971, P.1BURGIN, LORRAINE B., 1978-79, ARIZONA: U.S. BUMINES MINERALSYEARBOOK, VOL II, P. 70CUMMINGS, J.B., EXPLORATION OF THE PACKARD FLUORSPAR PROPER-TY, GILA CO., ARIZ.: U.S. BUMINES RI 3880, MAY 1946, 7P.E/MJ, FLUORSPAR: MARCH ISSUE ANNUAL REVIEW, 1971-1981----, INTERNATIONAL DIRECTORY OF MINING, ARIZONA: TONTO MIN-ING AND MILLING CO., INC., 1971-1981----, MARKETS: FLUORSPAR PRICES, AUGUST 1981, P.23GUCCIONE, EUGENE, FLUORSPAR TRENDS: E/MJ, DEC 1972, P.70HAMILTON, JACK, PERSONAL COMMUNICATION, JAN 14, FEB 10, 1982HANDY RAILROAD ATLAS OF THE UNITED STATES, 1973, RAND MCNAL-LY AND CO., CHICAGO, ILL.KELLER, JACK, PERSONAL COMMUNICATION, JAN 8, 22, 1982.KOSTICK, DENNIS S., AND RONALD J. DEFILIPPO, 1978-79, FLUOR-SPAR: U.S. BUMINES MINERALS YEARBOOK, VOL I, P.342KRAL, VICTOR, BLUEBIRD MINE: REPORT ON ARIZONA FLUORITE FROMARIZONA DEPT. OF MINERAL RESOURCES, NOV 28, 1975, 3P.----, QUARTZ LEDGE (WHITE COW): REPORT ON ARIZONA FLUORITEFROM ARIZ DEPT OF MINERAL RES., DEC 20, 1975, 2P.----, RED ROCK: REPORT ON ARIZONA FLUORITE FROM ARIZ DEPT OFMINERAL RES., DEC 20, 1975, 3P.MIERITZ, RICHARD E., TONTO BASIN FLUORSPAR DISTRICT: REPORTTO TRANSWORLD MINING SYNDICATE, MARCH 13, 1958, 6P.MORSE, DAVID E., 1980, MINERAL FACTS AND PROBLEMS, FLUORINECHAPTER: U.S. BUMINES BULLETIN 671, P.303-321STRAAM ENGINEERS, INC., 1979, CAPITAL AND OPERATING COSTESTIMATING SYSTEM HANDBOOK: U.S. BUMINES CONTRACT NO.J0255026STECKLEY, R.C., AND J.F. LEMONS, A METHOD FOR UPDATING COSTESTIMATES FOR THE MINERALS AVAILABILITY SYSTEM, BUMINESINTERNAL REPORT, SOG, MAY 1976, 40P.STEWART, L.A., U.S. BUMINES REVIEW OF EXAMINATION, QUARTZLEDGE (PORCUPINE): JULY 24, 1957, 3P.U.S. BUMINES, FLUORINE: MINERAL COMMODITY PROFILE MCP-20,AUG 1978, 27P.----, MINERALS AVAILABILITY SYSTEM COMPUTER FILE, BLUEBIRD,RED ROCK, AND QUARTZ LEDGE PROPERTIESU.S. FOREST SERVICE, TONTO NATIONAL FOREST CLIMATE RECORDS,1981.VAN ALSTINE, R.E., AND R.T. MOORE, 1969, MINERAL AND WATERRESOURCES OF ARIZONA, FLUORSPAR CHAPTER: ARIZONA BUMINESBULLETIN 180, P.348-357WOOD, H.B., MEMORANDUM ON FLUORSPAR ACTIVITY AND RESERVEFILES, RED ROCK AND WHITE COW MINES: U.S. BUMINES FILES,JAN 24, 1974----, MEMORANDUM ON FLUORSPAR INDUSTRY DISCUSSING TONTO MIN-ING AND MILLING CO.: U.S. BUMINES FILES, JAN 17, 1974