Geochronology and geology of Late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado.
Series: U.S. Geological Survey.  Professional paper 1642
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Geology - Colorado - San Juan Mountains; Volcanism - Colorado - San Juan Mountains
Notes: 11