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2020. Placer County Geographic Information Systems. 20 ft contour lines in Placer County, California. The contour data was derived from 1:24000 USGS digital elevation models. This layer is part of a ... Placer County Geographic Information Systems.
2001. Jasper Ridge Biological Preserve (Agency). This shapefile shows topographic contour lines of the Jasper Ridge Biological Preserve (JRBP) at 2 foot intervals. This layer is part of a collecti... Jasper Ridge Biological Preserve (Agency).
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. 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.
1999. National Geophysical Data Center, United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, and United States. National Environmental Satellite, Data, and Information Service. This raster dataset provides bathymetry information at a resolution of 90 meters for New England- from coastal regions to the edge of the continent... National Geophysical Data Center.
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). This drainage direction map for Africa defines the direction of flow from each cell in the conditioned digital elevation model to its steepest down... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
2007. World Wildlife Fund (WWF). HydroSHEDS (Hydrological data and maps based on SHuttle Elevation Derivatives at multiple Scales)flow accumulation maps define amount of upstream a... U.S. Geological Survey.
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.).