National Geologic Map Database
Product Description Page
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Title: Stratigraphic framework of Cambrian and Ordovician rocks in the central Appalachian basin from Lake County, Ohio, to Juniata County, Pennsylvania [Revised by R.D. Crangle, Jr., 2002]
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Author(s): Ryder, R.T.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Miscellaneous Investigations Series Map I-2200 [1 sheet]
- Publication Date: 1992
- Map Scale: 1:3,168,000
- Cross Section: Yes
- North Latitude: 41° 40' 42" N (41.6783)
- South Latitude: 40° 10' 28" N (40.1744)
- East Longitude: 76° 49' 37" W (-76.8269)
- West Longitude: 81° 10' 27" W (-81.1742)
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