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2000. California. Department of Fish and Game. Marine Resources Region and National Ocean Service Hydrographic Surveys. This polyline shapefile depicts bathymetric contour line coverage for California that generally covers the continental shelf at 50 foot contour res... California. Department of Fish and Game. Marine Resources Region.
2000. Department of Conservation & Development, Contra Costa County. This dataset represents the 50ft contour map within Contra Costa, California. Latest data revision occurred in May 2000 ; Data was mapped and provi...
2000. California. Department of Fish and Game. Marine Resources Region. This line shapefile depicting bathymetric contour line at 5-meter intervals was created out to the 200 mile Exclusive Economic Zone (EEZ) boundary ... California. Department of Fish and Game. Marine Resources Region.
2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).
2007. World Wildlife Fund. This river network (stream lines) map for Africa is derived from the flow direction map for Africa. The flow accumulation map for Africa is used fo... Geological Survey (U.S.).
2007. World Wildlife Fund. This river network (stream lines) map for Asia is derived from the flow direction map for Asia. The flow accumulation map for Asia is used for sele... Geological Survey (U.S.).
2007. World Wildlife Fund. This river network (stream lines) map for Asia is derived from the flow direction map for Asia. The flow accumulation map for Asia is used for sele... Geological Survey (U.S.).
2006. World Wildlife Fund. This river network (stream lines) map for Australasia is derived from the flow direction map for Australasia. The flow accumulation map for Austral... Geological Survey (U.S.).
2008. World Wildlife Fund. This river network (stream lines) map for Australasia is derived from the flow direction map for Australasia. The flow accumulation map for Austral... Geological Survey (U.S.).
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.