References
Tingley, J.V., 6 Sep 85, Field Examination and Sample Analysis.Unpublished Report, 1983, Homestake Mining Co.NBMG Mining District File 143, Item 11-Unpub. Report for Cordex, 1980, by Andy Wallace. also NBMG File 143 Press ClippingsA.E.G. Field Trip Guidebook, 1984, Sulphur Mining-DistrictTooker, E.W., 1986, USGS Bull 1646, P.142-143State Inspector of Mines, 1985, Directory of Nevada Mine Operations Active in Calendar Year 1984.Pay Dirt, April, 1984Bonham, H.F. 1986; NBMG Map 91Bonham, H. F. 1988 in NBMG MI-1987.Mine Search Annual, 1984-85, Vol. V11, P. 111, Metals Economics Group, Boulder Co.Mining Journal, 6/21/85Doebrich, Jeff, USGS Written Communication 1991.NBMG, 1994, MI-1993Nevada Division of Minerals, 1994Ebert, Shane W; Groves, David I; Jones, J Kenneth, 1995 Geology, alteration, and ore controls of the Crofoot/Lewis Mine, Sulphur, Nevada; a well-preserved hot-spring gold-silver deposit, in Geology and Ore Deposits of the American Cordillera; symposium proceedings, Geological Society of Nevada.Long, K.R., DeYoung, J.H., Jr., and Ludington, S.D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States; Part A, Database description and analysis; part B, Digital database: U.S. Geological Survey Open-File Report 98-206, 33 p., one 3.5 inch diskette.D.A. Davis and J. V. Tingley, 1999, Gold and silver resources in Nevada, NBMG Map 120Wallace, Andy; Friberg, Robert S., 1996, Geology and mineral deposits of the Sulphur mining district, Humboldt County and Pershing County, Nevada; in Gold and silver deposits of western Nevada, Geological Society of Nevada, Special Publication vol.18, pp.67-76.2004 Report by Mine Development Associates, on website.Vista Gold Corp. press release, 9/22/2004.Crafford, A.E.J. (ed.), 2003, GSN Road Log 2, Interstate 80 Eastbound, Fernley (Exit 48) to Golconda (Exit 194).MILLER, M.S. 1993, EMIGRANT TRAIL STUDY AREA, US BUREAU OF MINES, OPEN FILE RPT, MLA 7-93, P89.ANNUAL REPORT GRANGES EXPLORATION LTD.,VANCOUVER BC, 1985DUNCAN, D. AND B. WIGGLESWORTH. CROFOOT'S PROJECT JOINS NEVADA'S FORMIDABLE LIST OF GOLD PRODUCERS. MIN. AND ENG. J., JUNE 1988, PP. 40-41. (NOTE: DUNCAN IS THE DIRECTOR AND PROJECT MANAGER AND WIGGLESWORTH THE SENIOR STAFF ENGINEER, BOTH OF HYCROFT RESOURCES AND DEVELOPMENT CO., RENO, NV.)BELING, D. C., J. HARRINGTON, AND B. WIGGLESWORTH, TREATING LOW GRADE SOLUTIONS AT THE CROFOOT MINE. CH. 22 IN GOLD '90, ED. BY D. M. HAUSEN. SOC. MIN. ENG. AIME, 1991, PP. 231-234.NEVADA DEPARTMENT OF TAXATION, MINING DIVISION. HYCROFT RESOURCE AND DEVELOPMENT NET PROCEEDS TAX RECORDS. CARSON CITY, NV, FEB. 1991.GRANGES INC, 1995 ANNUAL REPORT, 52 PP.THE MINING RECORD, VOL., 107, #42, OCT., 16, 1996, P1.THE MINING RECORD, VOL., 107, #47, NOV., 20, 1996, P1.THE MINING RECORD, VOL., 108, #13, MAR. 26, 1997, P1.THE NORTHERN MINER, 1996.SKILLINGS MINING REVIEW, SEPT 27, 1997, V86, #39, P14.GRANGES INC, 1995 FORM 10-K, PP. 7-8.THE MINING RECORD, FEBRUARY 22, 1995, PAGE 7, "1994 PRODUCTION AT CROFOOT/LEWIS MINE".RANDOL, MINING DIRECTORY, 1996/97, U.S. MINES & MINING COMPANIES, P238.1995/95 NEVADA MINES DIRECTORY, PP. 11, 24.GRANGES INC. FORM 10-K REPORT, P17.