1907. Instituto Geogräfico Militar (Chile). 1907 51 x 77 centimeters Scale 1:2,000,000 General Map Collection. Instituto Geogräfico Militar de Chile (Santiago).
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1892. National Geographic Society (U.S.). Depths shown by soundings.; On verso: "Peary's north Greenland expedition of 1891-92 : illustrated lecture by civil engineer R.E. Peary, U.S. Navy.... National Geographic Society (Washington, D.C).
1940. International Heat Flow Commission, International Association of Seismology and Physics of the Earth's Interior, and Oklahoma State University. Department of Geography. Cartography Service. This point shapefile contains heat flow data for marine regions compiled from sources dating from 1940 to 2010. Heat flow is a measure of heat loss... International Heat Flow Commission.
4. International Bathymetric Chart of the Arctic Ocean, 30 Arc-Second Resolution GeoTIFF (Version 3.0)
1994. Jakobsson, M, Mayer, Larry A. (Larry Allan), 1952-, Coakley, Bernard, Dowdeswel, Julian A., Forbes, Steve, Fridman, Boris, 1956-, Hodnesdal, Hanne, Noormets, Riko, Pedersen, Richard J., 1952-, Rebesco, M. (Michele), Schenke, Hans Werner, Zarayskaya, Yulia, Daniela Accettella, Armstrong, Andrew, Anderson, Robert M., Bienhoff, Paul, Camerlenghi, A. (Angelo), Church, Ian, Edwards, Margo, Gardner, James V., Hall, John Kendrick, 1940-, Hell, Benjamin, Hestvik, Ole, Kristoffersen, Y., Marcussen, Christian, Mohammad, Rezwan, Mosher, David Cole, 1960-, Nghiem, Son V., Pedrosa, Maria Teresa, Travaglini, Paola G., Weatherall, Pauline, and IOC (Intergovernmental Oceanographic Commission). This layer is a georeferenced raster image (GeoTIFF) of a digital bathymetric model (DBM) of the Arctic Ocean compiled with all multibeam, dense si... National Geophysical Data Center.
1994. Vanderbilt Engineering Center for Transportation Operations and Research, Vanderbilt University. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous States... U.S. Army Corps of Engineers Navigation Data Center.
1994. Vanderbilt Engineering Center for Transportation Operations and Research, Vanderbilt University. The National Waterway Network is a comprehensive network database of the nation's navigable waterways. The data set covers the 48 contiguous States... U.S. Army Corps of Engineers Navigation Data Center.
2002. National Geospatial Intellience Agency (formerly the U.S. Defense Mapping Agency - DMA). This datalayer is a polyline coverage representing coastlines and international boundaries for every continent including Antarctica at a scale of 1... East View Cartographic.