TY  - RPRT
TI  - A preliminary study of thermometry and metal sources of the Spar Lake strata-bound copper-silver deposit, Belt Supergroup, Montana
AU  - T. S. Hayes
PY  - 1990
DO  - 10.3133/ofr90484
UR  - https://pubs.usgs.gov/publication/ofr90484
ID  - ofr90484
ER  -