USGS EL CAPITAN MTN QUADADMR COLUMBIA MINE FILEROSS C P ORE DEPOSITS OF THE SADDLE MOUNTAIN AND BANNERMINING DISTRICTS USGS BULL 771 1925 P 67WEED W H THE MINES HANDBOOK VOL 15 1922 P 265ADMR TROY CLAIMS FILEARIZONA MINING JOURNAL MARCH 1920 P 20 APRIL 1920 P 32J64;NOVEMBER 1920 P 19; MAY 1, 1922 P 34