APPROXIMATELY LOCATED IN OR AROUND THE LEVIATHAN MINING DISTRICT ; COPPER; SULPHUR; SULPHUR AND PYRITES; COPY FROM: UNITED STATES BUREAU OF MINES MINERALS YEARBOOK; 1934; PAGES 918-919; LEVIATHAN MINE (10 MILES EAST OF MARKLEEVILLE); LEVIATHAN SULPHUR CO.; IN ALPINE COUNTY CALIFORNIA - ACID DRAINAGE FLOWS INTO