Geochronology and Geology of late Oligocene through Miocene Volcanism and Mineralization in the Western San Juan Mountains, Colorado

By Dana J. Bove, Ken Hon, Karin E. Budding, John F. Slack, Lawrence W. Snee, and Ross A. Yeoman

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U.S. Department of the Interior | U.S. Geological Survey URL: https://pubsdata.usgs.gov/pubs/of/1999/ofr-99-0347/ Questions or Assistance: USGS Web Contact Page Last Modified: Wed Dec 7 17:00 EST 2016