APPROXIMATELY LOCATED IN OR AROUND THE CHARLESTON MINING DISTRICT; DISTRICT REPORT; GEOLOGY; BRIEF PROPERTY REPORTS; GEOLOGIC MAP; USGS BULLETIN 741, P. 78-83; SITE NAME: GRAHAM MINE, PRUNTY MINE, CARLTON TUNNEL; COMMODITY: GOLD, SILVER, ANTIMONY, COPPER, LEAD, MANGANESE, NITRATES, OIL SHALE; AUTHOR: SCHRADER, F.C.