| Year: | 1948 |
|---|---|
| Document Type: | BMRA |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.23:4339 |
| Series: | Report of investigations / Bureau of Mines ; |
| Report Number: | 4339 |
| Subjects: | Pegmatites--South Dakota--Pennington County |
| Spodumene--South Dakota--Pennington County | |
| Links: | https://hdl.handle.net/2027/mdp.39015078466961 |
| no.4336-4350 1948 |