| Reference | {Deposit:: USGS 7 1/2 GRAND GULCH BENCH MAP}{Deposit:: BUTLER,G M HISTORY OF MINING IN MOHAVE COUNTY AZ MINING}{Deposit:: JOURNAL VOL X11 NOS 10 AND 11 OCT 15 AND 30 1928}{Deposit:: HILL, JAMES USGS BUL 580D 1914 P 49}{Deposit:: ADMR GRAND GULCH MINE FILE}{Deposit:: BLM MINING DISTRICTS MAPS}{Deposit:: MOHAVE COUNTY MINER MINING EDITION KINGMAN AZ JULY 1919}{Deposit:: ARIZONA HISTORICAL SOCIETY TUCSON} |