TY - RPRT TI - Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado AU - Dana J. Bove AU - Ken Hon AU - Karin E. Budding AU - John F. Slack AU - Lawrence W. Snee AU - Ross A. Yeoman PY - 2001 DO - 10.3133/pp1642 UR - https://pubs.usgs.gov/publication/pp1642 ID - pp1642 ER -