Oligocene and Miocene volcanic rocks in the central Pioche-Marysvale igneous belt, western Utah and eastern Nevada. Stratigraphy of the volcanic Oligocene Needles Range Group in southwestern Utah and eastern Nevada - Best, Myron G.; Grant, S. Kerry (Washington, D.C. : United states goverrnmrnt Printing Office, 1987)
Includes bibliographies
Keywords: Geology, Stratigraphic -- Oligocene; Geology, Stratigraphic -- Miocene; Volcanic ash, tuff, etc. -- Nevada -- Pioche Region; Volcanic ash, tuff, etc. -- Utah -- Marysvale Regio; Magmatism -- Utah -- Wah Wah Mountains; Geology -- Utah -- Wah Wah Mountains; Needles Range Group (Utah and Nev.)