| Reference | {Deposit:: GARDNER, E D, 1939, TIN DEPOSITS OF THE BLACK HILLS, SOUTH D}{Deposit:: USBM IC 7069, P 67.}{Deposit:: PAGE, LINCOLN R, AND SMITH, WARD C, 1940, TIN-BEARING PEGMAT}{Deposit:: THE TINTON DISTRICT, LAWRENCE CO, SOUTH DAKOTA. USGS BULL}{Deposit:: P 616, 628.} |