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General Information

  • Title: Deposition of the uppermost Cambrian (Croixan) Jordan Sandstone, and the nature of the Cambrian-Ordovician boundary in the upper Mississippi Valley
  • Author(s): Runkel, A.C.
  • Publishing Organization: Geological Society of America
  • Series and Number: Bulletin v.106, n.4 [p. 492]
  • Publication Date: 1994
  • Map Scale: 1:4,970,000
  • Cross Section: Yes
  • North Latitude: 45° 30' 0" N (45.5000)
  • South Latitude: 43° 0' 0" N (43.0000)
  • East Longitude: 89° 0' 0" W (-89.0000)
  • West Longitude: 95° 0' 0" W (-95.0000)
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