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Sonargraph, Charles River (Boston, MA) - 1963
Named collection: Harold E. Edgerton Collection
Object type: color slide
Maker: Edgerton, Harold Eugene
Place made: United States
Materials: 35mm film; cardboard
Site location: Charles River, Boston, MA
Measurements: 2" x 2"
Sub-bottom sonargraph illustrating multiple bottom echo returns recorded at the Charles River, Boston in 1963; black-and-white reproduction. (CC)