TY  - RPRT
TI  - Map showing the association of linear features with metallic mines and prospects in the Butte 1° x 2° quadrangle, Montana
AU  - L. C. Rowan
AU  - C. M. Trautwein
AU  - T. L. Purdy
PY  - 1991
DO  - 10.3133/i2050b
UR  - https://pubs.usgs.gov/publication/i2050B
ID  - i2050B
ER  -