APPROXIMATELY LOCATED IN OR AROUND THE COMSTOCK MINING DISTRICT; PROPERTY REPORT; GEOLOGY; MINE MAPS; MINING AND SCIENTIFIC PRESS, MARCH 19, 1910, P. 419-423; SITE NAME: MEXICAN MINE, SUTRO TUNNEL, UNION SHAFT, C AND C SHAFT, CON. VIRGINIA WORKINGS, OPHIR WORKINGS; COMMODITY: GOLD; AUTHOR: SYMMS, W.