TY - BOOK AU - Bove,Dana TI - Geochronology and geology of late oligocene through miocene volcanism and mineralization in the western San Juan Mountains, Colorado U1 - 551.785097883 PY - 2001/// CY - Washington, D.C. PB - United States Government Printing Office KW - Geology, Stratigraphic KW - Oligocene KW - Miocene KW - Geology KW - San Juan Mountains (Colo. and N.M.) KW - Colorado KW - Volcanism N1 - Version 1.0"--T.p. verso ER -