| Reference | {Deposit:: CUMMINGS J B REPT OF S DAK STATE PLANNING BOARD 1936,TUNGSTE}{Deposit:: G IN SOUTH DAKOTA P 27}{Deposit:: SOUTH DAKOTA SCHOOL OF MINES BULL 17 1937 P 143}{Deposit:: SOUTH DAKOTA SCHOOL OF MINES BULL 12 1918 P 53}{Deposit:: U S BUREAU OF MINES INFO CIRC 7707 P 46} |