Notice of a model of the western portion of the Schuylkill or southern coal-field of Pennsylvania in illustration of an address to the Association of American Geologists, on the most appropriate modes for representing geological phenomena /
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Corporate Author: | |
Format: | Online Book |
Language: | English |
Published: |
[Philadelphia? :
s.n.,
1841?]
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Subjects: | |
Access: | Full text online |
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