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

General Information

  • Title: Colorado shale of central and northwestern Montana and equivalent rocks of the Black Hills
  • Author(s): Cobban, W.A.
  • Publishing Organization: American Association of Petroleum Geologists
  • Series and Number: Bulletin v. 35, no. 10 [p. 2170-2198]
  • Publication Date: 1951
  • Cross Section: Yes
  • North Latitude: 48° 52' 48" N (48.8800)
  • South Latitude: 47° 5' 57" N (47.0993)
  • East Longitude: 107° 50' 59" W (-107.8497)
  • West Longitude: 111° 56' 54" W (-111.9483)
  • Corrections to this entry?
* See base map disclaimer below.
Find more maps in this area with mapView

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.