Geological map of the United States and British North America [electronic resource] : constructed from the most recent documents & unpublished materials, for Keith Johnston's Physical atlas / by Professor H.D. Rogers, Boston, U.S., 1855 ; engraved & printed in colours by W. & A.K. Johnston.
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| Corporate Authors: | , , , |
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| Other title: | Geological section across the Appalachian Mts. from the coast of New Jersey at Egg Harbour to Lake Ontario near the Niagara River. |
| Format: | Electronic Map Article |
| Language: | English |
| Published: |
[1856]
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