Reference | {Deposit:: CUMMINGS J B REPT OF S D STATE PLANNING BOARD,TUNSTEN MINING}{Deposit:: AKOTA 1936 P 25}{Deposit:: S DAK BUREAU OF MINES INF CIRC 7069 P 39}{Deposit:: S DAK SCHOOL OF MINES BULL 17 P 129}{Deposit:: S DAK SCHOOL OF MINES BULL 12 P 58}{Deposit:: U S BUREAU OF MINES INF CIRC 7707 P 44 45} |