APPROXIMATELY LOCATED IN OR AROUND THE GOODSPRINGS MINING DISTRICT; THE BOSS MINE, NINETY-NINE MINE, THE CONTACT MINE, CHRISTMAS, MONTE CRISTO, BULLION, ANCHOR, NEW YEAR, YELLOW PINE MINING COMPANY, KEYSTONE MINE, SULTAN, BILL NYE, POTOSI, ALICE COPPER, HOODOO, ROOT ZINC CO., SINGER, WHALE, MILFORD AND ADDISON; SITE NAME: NEVADA KEYSTONE MINE, TALCOSE GOLD MINE, CLEMENTINA GROUP; AUTHOR: ROBERTS, A.E.; SPURR, J.E.;