USBM WAR MIN.RPT387-FRENCH HILL MINE,1945 12PPCDM&G BULL 134,1946 PT1 CHAP1 DELNORTE CO WELLS,CATER&RYNEARUSBM RI4365-INVEST OF FRENCH HILLCHROMITE MINE-SANBORN&RICKECAJOUR MINES&GEOL VOL.48;J C OBRIEN 1952 PP261-309 MINESOFDEWIELBELT,F J 1955,ONPUB SUPP REPT.,FRENCH HILL CHROMITE MINE