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General Information

  • Title: K-bentonites of the Ordovician Decorah Subgroup, upper Mississippi Valley; correlation by chemical fingerprinting
  • Author(s): Kolata, D.R., Frost, J.K., and Huff, W.R.
  • Publishing Organization: Illinois State Geological Survey
  • Series and Number: Circular no. 537 [30 p.]
  • Publication Date: 1986
  • Map Scale: 1:4,168,423
  • Cross Section: Yes
  • North Latitude: 44° 56' 54" N (44.9483)
  • South Latitude: 37° 13' 58" N (37.2327)
  • East Longitude: 89° 29' 26" W (-89.4906)
  • West Longitude: 93° 12' 27" W (-93.2075)
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