TY  - RPRT
TI  - Geology of the Mount Aetna volcanic center, Chaffee and Gunnison Counties, Colorado
AU  - Priestley Toulmin
AU  - Jane Marie Hammarstrom
PY  - 1990
DO  - 10.3133/b1864
UR  - https://pubs.usgs.gov/publication/b1864
ID  - b1864
ER  -