TY  - RPRT
TI  - Map showing locations of exposures of limonitic rocks and hydrothermally altered rocks in the Butte 1° x 2° quadrangle, Montana
AU  - L. C. Rowan
AU  - D. B. Segal
PY  - 1989
DO  - 10.3133/i2050a
UR  - https://pubs.usgs.gov/publication/i2050A
ID  - i2050A
ER  -