TY  - RPRT
TI  - Igneous rocks of the Highwood Mountains, Montana: Part II. The Extrusive Rocks
AU  - E. S. Larsen
PY  - 1941
DO  - 10.1130/gsab-52-1733
UR  - https://pubs.usgs.gov/publication/70220021
ID  - 70220021
ER  -