| Reference | {Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707, P. 166-167}{Deposit:: AM MIN, VOL 59, P. 48-59.}{Deposit:: ENCYCLOPEDIA OF MINERALS}{Production:: USBM INFO CIRC 7707, P. 166-167; SDGS MR 10, P. 5; SDGS MR 11, P. 5.} |