Reference | {Deposit:: CUMMINGS J B REPT OF S DAK STATE PLANNING BOARD 1936 TUNGSTE}{Deposit:: G IN SOUTH DAKOTA P 10 AND 11,14 AND 26-27.}{Deposit:: SOUTH DAKOTA SCHOOL OF MINES BULL 17 1937 P 142}{Deposit:: SOUTH DAKOTA SCHOOL OF MINES BULL 12 1918 P 54 TO 56}{Deposit:: U S BUREAU OF MINES INFO CIRC 7707 P 47} |