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 /

Κύριος συγγραφέας: Taylor, Richard C. 1789-1851.
Μορφή: Ηλεκτρονική πηγή
Γλώσσα: English
Έκδοση: [Philadelphia? : s.n., 1841?]
Θέματα:
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Full text online