| Reference | {Deposit:: GARDNER, E D, 1939, TIN DEPOSITS OF THE BLACK HILLS, SOUTH D}{Deposit:: USBM IC 7069, P 31-3.}{Deposit:: HESS, FRANK L, 1909, TIN, TUNGSTEN, AND TANTALUM DEPOSITS OF}{Deposit:: DAKOTA. USGS BULL 380, P 143-4.}{Deposit:: PAGE, LINCOLN R, ET AL, 1953, PEGMATITE INVESTIGATIONS, 1942}{Deposit:: BLACK HILLS, SOUTH DAKOTA. USGS PROF PAPER 247, P 160-2.}{Deposit:: LINCOLN, FRANCIS C, 1937, THE MINING INDUSTRY OF SOUTH DAKOT}{Deposit:: SOUTH DAK. SCH OF MINES, BULL 17, P 151.} |