National Geologic Map Database
Product Description Page
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Title: Lower Middle Ordovician of south-central Pennsylvania
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Author(s): Craig, L.C.
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Publishing Organization: Geological Society of America
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Series and Number: Bulletin v.60, n.4 [p. 707]
- Publication Date: 1949
- Map Scale: 1:62,000
- Cross Section: None
- North Latitude: 40° 15' 26" N (40.2572)
- South Latitude: 39° 33' 30" N (39.5583)
- East Longitude: 77° 21' 23" W (-77.3564)
- West Longitude: 78° 4' 35" W (-78.0764)
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