Reference | {Deposit:: HESS, FRANK L, 1909, TIN, TUNGSTEN AND TANTALUM DEPOSITS OF}{Deposit:: DAKOTA. USGS BULL 380, P 141.}{Deposit:: PAGE, LINCOLN R, ET AL, 1953, PEGMATITE INVESTIGATIONS, 1942}{Deposit:: BLACK HILLS, SOUTH DAKOTA. USGS PROF PAPER 247. P 201-3.} |