National Geologic Map Database
Product Description Page
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Title: Elkton-Wilmington folio, Maryland-Delaware-New Jersey-Pennsylvania
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Author(s): Bascom, Florence, and Miller, B.L.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Geologic Atlas of the United States Folio GF-211
- Publication Date: 1920
- Map Scale: 1:62,500
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.