Lionel Pincus and Princess Firyal Map Division, The New York Public Library. (1898). Geologic map and sections of Manhattan Island, State of New York Retrieved from https://digitalcollections.nypl.org/items/d09eb5b0-f3af-0130-46b4-58d385a7b928
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Lionel Pincus and Princess Firyal Map Division, The New York Public Library. (1898). Geologic map and sections of Manhattan Island, State of New York Retrieved from https://digitalcollections.nypl.org/items/d09eb5b0-f3af-0130-46b4-58d385a7b928