TY  - RPRT
TI  - Maps showing metallic mineral districts and mines in the Black Hills, South Dakota and Wyoming
AU  - A.B. Wilson
AU  - Ed DeWitt
PY  - 1995
DO  - 10.3133/i2445
UR  - https://pubs.usgs.gov/publication/i2445
ID  - i2445
ER  -