Title in lower margin: New Haven Co., Conn. : 1978. "Compiled by USGS in 1978 from USGS 1:24,000 topographic maps dated 1955-1968." "Planimetry revised from aerial photographs taken 1974 and other source data." Available also through the Library of Congress Web site as a raster image.
United States. Soil Conservation Service; Geological Survey (U.S.)
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