APPROXIMATELY LOCATED IN OR AROUND THE POTOSI MINING DISTRICT; SCALE FOR SURFACE SAMPLES-WEST ORE BODY IS 1 INCH = 100 FEET; SCALE FOR MAIN ADIT AND 85 FEET LEVEL-EAST ORE BODY IS 1 INCH = 50 FEET; SCALE FOR ADITS-WEST ORE BODY IS 1 INCH = 50 FEET; STAMPED U.S. GEOL. SURVEY CONFIDENTIAL; SITE NAME: RICHMOND MINE; COMMODITY: TUNGSTEN; AUTHOR: HOBBS, S.W.