APPROXIMATELY LOCATED IN OR AROUND THE LEVIATHAN MINING DISTRICT ; COPPER; SULPHUR; ALPINE COUNTY - COPPER MINES; CALIFORNIA STATE MINING BUREAU; THE COPPER RESOURCES OF CALIFORNIA; BULLETIN NO. 23; SAN REANCISCO; APRIL; 1902; COVER AND PAGE 199; LEVIATHAN MINE (TEN MILES EAST OF MARKLEEVILLE); OWNED BY D. BAR ; AUTHOR: AUBURY, LEWIS E.
