Oligocene and Miocene volcanic rocks in the central Pioche-Marysvale Igneous belt, western Utah and eastern Nevada Best, Myron G. creator author. Geological Survey (U.S.) issuing body. text bibliography dcu 1987 monographic eng remote 1 online resource (iii, 47 pages) : illustrations, maps. A. Stratigraphy of the volcanic Oligocene Needles Range Group in southwestern Utah and eastern Nevada / by Myron G. Best and S. Kerry Grant -- B. Miocene magmatism and tectonism in and near the southern Wah Wah Mountains, southwestern Utah / by Myron G. Best [and others]. by Myron G. Best [and four others]. Includes bibliographical references. n-us-ut n-us-nv Geology, Stratigraphic Oligocene Geology, Stratigraphic Miocene Volcanic ash, tuff, etc Nevada Pioche Region Volcanic ash, tuff, etc Utah Marysvale Region Magmatism Utah Wah Wah Mountains Geology Utah Wah Wah Mountains Needles Range Group (Utah and Nev.) Geology Geology, Stratigraphic Magmatism Miocene Geologic Epoch Oligocene Geologic Epoch Volcanic ash, tuff, etc United States Needles Range Group Utah Wah Wah Mountains From 10 to 40 million years ago fast I 19.16:1433 A-B I 19.16:1433 A-B Oligocene and Miocene volcanic rocks in the central Pioche-Marysvale Igneous belt, western Utah and eastern Nevada (DLC) 86600019 (OCoLC)15365631 U.S. Geological Survey professional paper ; 1433-A-B https://purl.fdlp.gov/GPO/gpo93311 COP 141123 20181023093838.0 in00004021581 eng