Gulf Stream Explorations by the U.S

Gulf Stream Explorations by the U.S. Coast Survey, a bathymetric survey based on the work of the U.S. Coast and Geodetic Survey Steamer BLAKE. Note the trench north of Puerto Rico, possibly the first correct delineation of a trench. Adolph Lindenkohl drafted the original version of this map.

Photo Category: Coast and Geodetic Survey - Archive Seafloor Mapping
Photo Location: United States East Coast, Atlantic Ocean
Photo Date: 1884