Description: From purpose of this investigation: investigation.-The investigation of the geology of Long Island was undertaken in connection with a study of the underground waters of the island made by the United States Geological Survey in cooperation with the Commission on Additional Water Supply of New York City. During the progress of the work many new geologic facts were developed, some of which demanded extensive modifications of the views previously held as to the structure and geologic history of the island.
Creator: Boutwell, J. M.
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Partner: UNT Libraries Government Documents Department