Sonar survey fieldwork, Cambridge (MA) - Harold E. Edgerton, Martin Klein, Pierre Mion, 1962 HEE-SC-05628 Edgerton, Harold Eugene 1962-07 ViewSonar fieldwork, Charles River (MA) - Harold E. Edgerton, Martin Klein, Pierre Mion HEE-SC-05934 Edgerton, Harold Eugene 1962 ViewSonar fieldwork - Harold E. Edgerton, Marty Klein, Pierre Mion, 1962 HEE-SC-06087 Edgerton, Harold Eugene 1962-07- View