TY - RPRT TI - Geochronology and geology of late Oligocene through Miocene volcanism and mineralization in the western San Juan Mountains, Colorado AU - D. J. Bove AU - Ken Hon AU - K. E. Budding AU - J. F. Slack AU - L.W. Snee AU - R. A. Yeoman PY - 2000 DO - 10.3133/ofr99347 UR - https://pubs.usgs.gov/publication/ofr99347 ID - ofr99347 ER -