| Lat / long: | 43.85636, -103.63447 | 
| Tertiary: | Lithium, Mica, Tin | 
| Other material: | Alabandite, Cassiterite, Muscovite, Quartz, Spodumene | 
| Operation type: | Surface | 
| Development status: | Past Producer | 
| MAS | 461030012 | 
| DEP | 10274819 | 
| Reference | {Deposit:: BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA, PT 2, 1955, USBM IC}{Deposit:: P 56.}{Deposit:: HESS, FRANK L, 1909, TIN, TUNGSTEN AND TANTALUM DEPOSITS OF}{Deposit:: DAKOTA. USGS BULL 380, P 139-40.}{Deposit:: PAGE, LINCOLN R, ET AL, 1953, PEGMATITE INVESTIGATIONS, 1942}{Deposit:: BLACK HILLS, SOUTH DAKOTA. USGS PROF PAPER 247, P 136.} | 
| Reporter | Hite, Alan G. |