National Geologic Map Database
Product Description Page
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Title: Altitude, depth, and thickness of the Galena - Platteville bedrock unit in the subcrop area of Illinois and Wisconsin
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Author(s): Brown, T.A., Dunning, C.P., and Sharpe, J.B.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Water-Resources Investigations Report 97-4054-C
- Publication Date: 2000
- Map Scale: 1:500,000
- Cross Section: None
- North Latitude: 45° 15' 0" N (45.2500)
- South Latitude: 41° 11' 24" N (41.1900)
- East Longitude: 87° 34' 1" W (-87.5670)
- West Longitude: 91° 9' 0" W (-91.1500)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.