TY  - RPRT
TI  - Revised volcanic history of the San Juan, Uncompahgre, Silverton, and Lake City calderas in the western San Juan Mountains, Colorado
AU  - Peter W. Lipman
AU  - Thomas A. Steven
AU  - Robert G. Luedke
AU  - Wilbur Burbank
PY  - 1973
UR  - https://pubs.usgs.gov/publication/70161990
ID  - 70161990
ER  -