TY  - RPRT
TI  - Preliminary map showing the location of productive lode and placer gold mines in Montana (with explanatory text)
AU  - David Frishman
AU  - J. E. Elliott
AU  - E.E. Foord
AU  - R. C. Pearson
AU  - W. H. Raymond
PY  - 1990
DO  - 10.3133/ofr90241
UR  - https://pubs.usgs.gov/publication/ofr90241
ID  - ofr90241
ER  -