| Reference | {Deposit:: BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA, PT 2, 1955, USBM IC}{Deposit:: P52-3.}{Deposit:: GARDNER, E D, 1939, TIN DEPOSITS OF THE BLACK HILLS, SOUTH D}{Deposit:: USBM IC 7069, P29-30.}{Deposit:: PAGE, LINCOLN R, ET AL, 1953, PEGMATITE INVESTIGATIONS, 1942}{Deposit:: BLACK HILLS, SOUTH DAKOTA, USGS PROF PAPER 247, P 60.} |