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

General Information

  • Title: Ordovician and contiguous formations in North Dakota, South Dakota, Montana, and adjoining areas of Canada and the United States
  • Author(s): Fuller, J.G.
  • Publishing Organization: American Association of Petroleum Geologists
  • Series and Number: Bulletin v. 45, no. 8 [p. 1334-1363]
  • Publication Date: 1961
  • Map Scale: 1:7,920,000
  • Cross Section: Yes
  • North Latitude: 54° 10' 20" N (54.1722)
  • South Latitude: 42° 6' 39" N (42.1107)
  • East Longitude: 96° 22' 31" W (-96.3753)
  • West Longitude: 111° 56' 44" W (-111.9455)
  • Corrections to this entry?
* See base map disclaimer below.

Map Preview

(Click image to enlarge)

Downloads from the NGMDB


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