National Geologic Map Database
Product Description Page
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Title: Niagaran reefs in Illinois and their relation to oil accumulation
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Author(s): Lowenstam, H.A.
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Publishing Organization: Illinois State Geological Survey
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Series and Number: Report of Investigations 145 [36 p.]
- Publication Date: 1949
- Map Scale: 1:2,851,200
- Cross Section: Yes
- North Latitude: 42° 30' 30" N (42.5083)
- South Latitude: 36° 58' 13" N (36.9703)
- East Longitude: 87° 29' 47" W (-87.4964)
- West Longitude: 91° 30' 47" W (-91.5131)
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