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

General Information

  • Title: Marine Jurassic formations of Montana
  • Author(s): Imlay, R.W., Gardner, L.S., Rogers, C.P., Jr., and Hadley, H.D.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Oil and Gas Investigations Chart OC-32
  • Publication Date: 1948
  • Map Scale: 1:2,816,000
  • 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.