TY  - RPRT
TI  - Occurrences of radioactive materials in the Bald Mountain gold-mining area, northern Black Hills, South Dakota
AU  - Rollin C. Vickers
PY  - 1954
DO  - 10.3133/cir351
UR  - https://pubs.usgs.gov/publication/cir351
ID  - cir351
ER  -