National Geologic Map Database
Product Description Page
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Title: Stratigraphy of the metamorphic rocks of southeastern Pennsylvania and Maryland [abs.]
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Author(s): Jonas, A.I., and Knopf, E.B.
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Publishing Organization: Washington Academy of Sciences
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Series and Number: Journal v. 11, no. 18 [p. 446-447]
- Publication Date: 1921
- Cross Section: None
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