TY  - RPRT
TI  - Volcanic history of the San Juan Mountains, Colorado, as indicated by potassium-argon dating
AU  - Peter W. Lipman
AU  - Thomas A. Steven
AU  - Harald H. Mehnert
PY  - 1970
DO  - 10.1130/0016-7606(1970)81[2329:vhotsj]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70206956
ID  - 70206956
ER  -