| Reference | {Deposit:: ROBERTS, W. L., AND RAPP, G., 1965 , MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18}{Deposit:: US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .}{Production:: MULLEN, D. H., AND AGNEW, A. F., 1961 , THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1960 , SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 8 { BIENIEWSKI, C. L., AND MCGREGOR, D. J., 1965 , THE MINERAL INDUSTRY OF SOUTH DAKOTA IN 1963 , SOUTH DAKOTA GEOLOGICAL SURVEY MINERALS REPORT 11 { US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 . { US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .} |