TY  - RPRT
TI  - Radiometric ages of intrusive rocks in the Little Belt Mountains, Montana
AU  - Richard F. Marvin
AU  - Irving J. Witkind
AU  - William R. Keefer
AU  - Harald H. Mehnert
PY  - 1973
DO  - 10.1130/0016-7606(1973)84<1977:raoiri>2.0.co;2
UR  - https://pubs.usgs.gov/publication/70241489
ID  - 70241489
ER  -