APPROXIMATELY LOCATED IN OR AROUND THE LEVIATHAN MINING DISTRICT ; 2 PGS; COPPER; SULPHUR; THE MINES HANDBOOK; SUCCEEDING THE COPPER HANDBOOK FOUNDED BY HORACE J. STEVENS; 1900; DESCRIBING THE MINING COMPANIES OF THE TWO AMERICAN CONTINENTS; VOL. XVIII (1931 ISSUE) IN TWO PARTS; COVER AND PG 505; LEVIATHAN COPPER M ; AUTHOR: RAND, LENOX H.; STURGIS, EDWARD B.