Northern half of rough draft of Chart of Atlantic Ocean by A. Lindenkohl. Thissurvey was conducted by the Coast and GeodeticSurvey Steamer BLAKE. Note Hudson Canyon south of Long Island, the head ofNorfolk Canyon off the Virginia Capes, and the var
4/3/2019 11:56:50 AM
Date: 1882
Location: United States East Coast, Atlantic Ocean
Subject: Coast and Geodetic Survey
Subject: Archive Seafloor Mapping