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National Geologic Map Database

General Information

  • Title: Index map of central midcontinent region giving lines of sections that show detailed lithology of Paleozoic and Mesozoic rocks
  • Author(s): Fox, Jeannette, and Sheldon, M.G.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Oil and Gas Investigations Map OM-184
  • Publication Date: 1957
  • Map Scale: 1:2,500,000
  • Cross Section: None
  • North Latitude: 46° 0' 0" N (46.0000)
  • South Latitude: 33° 0' 0" N (33.0000)
  • East Longitude: 83° 0' 0" W (-83.0000)
  • West Longitude: 106° 0' 0" W (-106.0000)
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* See base map disclaimer below.

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