Notes: | "Contour interval 10 feet." "Base by U.S. Geological Survey and City of Hartford, 1953. 10,000-foot grid based on Connecticut coordinate system. Roads revised, 1962." "Geology by H.E. Simpson, 1955-1959, 1962; assisted by Andrew J. Nalwalk, 1956, and John F. Langmaid, III, 1957. Most subsurface data from City Engineer, New Britain; Hartford Water Commission; Connecticut State Highway Department; New Britain Public Schools; Connecticut Water Commission; U.S. Department of Agriculture, and U.S. Geological Survey records. Other subsurface data by the author." Includes 3 col. cross sections, quadrangle location map, and col. map.
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