National Geologic Map Database
Product Description Page
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Title: Conodont-based determination of the Silurian-Devonian boundary in the Valley and Ridge province, northern and central Appalachians
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Author(s): Denkler, K.E., and Harris, A.G.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 1837-B [p. B1-B13]
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Larger Work: Sando, W.J., ed., Shorter contributions to paleontology and stratigraphy
- Publication Date: 1988
- Map Scale: 1:3,463,643
- Cross Section: None
- North Latitude: 42° 49' 35" N (42.8264)
- South Latitude: 37° 24' 49" N (37.4136)
- East Longitude: 73° 14' 11" W (-73.2364)
- West Longitude: 80° 31' 5" W (-80.5181)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.