APPROXIMATELY LOCATED IN OR AROUND THE BULLFROG MINING DISTRICT; 99 PGS, 2 PLATES; M.S. THESIS FOR CALIFORNIA STATE UNIVERSITY, LONG BEACH; GEOLOGY; GEOPHYSICS; GEOLOGIC MAP; CROSS SECTION; 2 LARGE PLATES; SITE NAME: MINES: YELLOWJACKET, PIONEER, MAYFLOWER; COMMODITY: GOLD; AUTHOR: BECK, B.A.