1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, and 2006. Nature Conservancy (U.S.). This data product was created as part of the Northwest Atlantic Marine Ecoregional Assessment. The Nature Conservancy developed this science-based ... Northeast Ocean Data.
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H.S. Pritchett, Superintendent. Relief shown by shading. Depths shown by soundings in fathoms, form lines, and shading. Includes charts of tides, b... U.S. Coast and Geodetic Survey.
H.S. Pritchett, Superintendent. Relief shown by shading. Depths shown by soundings in fathoms, form lines, and shading. Includes charts of tides, b... U.S. Coast and Geodetic Survey.
surveyed by E. Hergesheimer, assistant ; topography inked by E. Hergesheimer ; Julius Bien & Co., photo-lith. "1884." "Issue February 1886, E.M. Th... U.S. Coast and Geodetic Survey.