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General Information

  • Title: The Platteville and Galena Groups in northern Illinois
  • Author(s): Willman, H.B., and Kolata, D.R.
  • Publishing Organization: Illinois State Geological Survey
  • Series and Number: Circular no. 502 [p. 43-44]
  • Publication Date: 1978
  • Map Scale: 1:121,846
  • Cross Section: Yes
  • North Latitude: 43° 18' 47" N (43.3131)
  • South Latitude: 38° 31' 52" N (38.5310)
  • East Longitude: 88° 59' 57" W (-88.9991)
  • West Longitude: 91° 49' 21" W (-91.8225)
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