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

General Information

  • Title: Precambrian basement structure map of the continental United States -- an interpretation of geologic and aeromagnetic data
  • Author(s): Sims, P.K., Saltus, R.W., and Anderson, E.D.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Scientific Investigations Map SIM-3012
  • Publication Date: 2008
  • Map Scale: 1:8,000,000
  • Cross Section: None
  • North Latitude: 49° 22' 54" N (49.3817)
  • South Latitude: 24° 30' 0" N (24.5000)
  • East Longitude: 66° 55' 0" W (-66.9167)
  • West Longitude: 135° 0' 0" W (-135.0000)
  • 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

External Resources

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