U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: Intertongued Upper Cretaceous volcanic and nonvolcanic rocks, central-western Montana
  • Author(s): Gwinn, V.E., and Mutch, T.A.
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v.76, n.10 [p. 1125]
  • Publication Date: 1965
  • Map Scale: 1:36,360
  • Cross Section: None
  • Find more maps in this area with mapView
  • Corrections to this entry?
* See base map disclaimer below

Map Preview

(Click image to enlarge)

Downloads from the NGMDB

Poor quality image? Let us know

* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.