Map showing soundings taken by Coast and Geodetic Survey Steamer BLAKE

Map showing soundings taken by Coast and Geodetic Survey Steamer BLAKE. Plotted by W.C.W. (W. C. Willenbucher) . This sheet includes plotted depths, surface and bottom temperatures, and various profiles of the continental shelf and slope . The Blake Plateau shows as a conspicuous widening of the continental slope in the 400 to 500 fathom range south of Cape Hatteras.

Photo Category: Coast and Geodetic Survey - Archive Nautical Chart
Photo Location: United States East Coast, Atlantic Ocean
Photo Date: 1883