National Geologic Map Database
Product Description Page
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Title: Mineralogy of glacial tills and their weathering profiles in Illinois; Part 1, Glacial tills
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Author(s): Willman, H.B., Glass, H.D., and Frye, J.C.
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Publishing Organization: Illinois State Geological Survey
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Series and Number: Circular 347
- Publication Date: 1963
- Cross Section: Yes
- North Latitude: 42° 29' 25" N (42.4904)
- South Latitude: 37° 41' 34" N (37.6929)
- East Longitude: 87° 40' 6" W (-87.6683)
- West Longitude: 91° 21' 45" W (-91.3626)
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