The VMap Level 0 database provides worldwide coverage of vector-based geospatial data which can be viewed at 1:1,000,000 scale. It consists of geographic, attribute, and textual data. The complete database is organized into 10 thematic layers. The… Read more.
BATHYMETRY
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Various geographic features covering the entire earth.World coverage of topographic map themes. VMap includes major road and rail networks, hydrologic drainage systems, utility networks (cross-country pipelines and communication lines), major… Read more.
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This product of unprecedented detail covers the entire Earth, covering the coastlines and international boundaries of every continent, including Antarctica. WVSPLUS is one database comprised of six libraries varying from 1:250,000 to 1:120,000,000… Read more.
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Bathymetric Contours Generated using GEBCO 2003 --> http://maps.library.utoronto.ca/maplib/cgi-bin/datainventory.pl?idnum=7…
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Public domain vector and raster datasets for a range of cultural and physical themes, covering the entire world.
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A list of sites offering undersea gis data for the world
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The North Circumpolar Region map provides a comprehensive view of the area of Canada and the World situated between 55ºN latitude and the North Pole.Special features include: * all federal, provincial and territorial boundaries for Canada including… Read more.
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The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers, researchers, and others whose work requires a detailed and acurate knowledge of the depth and… Read more.
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Lake Ontario is on charts 14800 and 14802
Lake Erie is chart 14820
Lake Superior is on charts 14961, 14964, 14966 and 14967
Lake Huron is chart 14860
Lake Michigan is on several charts