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General Information

  • Title: Chicago folio, Riverside, Chicago, Desplaines, and Calumet quadrangles. Illinois-Indiana
  • Author(s): Alden, W.C.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Geologic Atlas of the United States Folio GF-81
  • Publication Date: 1902
  • Map Scale: 1:62,500
  • Cross Section: None
  • North Latitude: 42° 0' 0" N (42.0000)
  • South Latitude: 41° 30' 0" N (41.5000)
  • East Longitude: 87° 30' 0" W (-87.5000)
  • West Longitude: 88° 0' 0" W (-88.0000)
  • Corrections to this entry?
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.