LAUSEN CARL GEOLOGY AND ORE DEPOSITS OF THE OATMAN ANDKATHERINE DISTRICTS AZBM BUL 131 1931 P 21ARIZONA MINING JOURNAL DEC 15 1921 P 18ARIZONA MINING JOURNAL JULY 15 1924 P 26WEED HARVEY THE MINES HANDBOOK VOL XVI 1922 P311NEALE W G THE MINES HANDBOOK VOL XVII 1926 P 279ALSO IN SEC 4 SE QUARTER