1991. U.S. Census Bureau. and GeoLytics, Inc. District boundaries for the 102nd United States Congress, Jan. 3, 1991 to Jan. 3, 1993. Harvard Geospatial Library.
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1999. Bureau of Transportation Statistics, (comp.). The 106th Congressional District Boundaries data set contains geographic information for the political entities of the Congressional districts of t... Bureau of Transportation Statistics.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 10 degree intervals. Graticules... North American Cartographic Information Society.
2012. Patterson, Tom and Kelso, Nathaniel Vaughn. This line shapefile displays graticules (grid lines of latitude parallels and longitude meridians) for the world at 10 degree intervals. Graticules... North American Cartographic Information Society.
2000. Department of Conservation & Development, Contra Costa County. This dataset represents the 10ft contour map of Contra Costa, California. Latest data revision occurred in November 2000 ; Data was mapped and prov...
2001. California. Department of Fish and Game. Marine Resources Region. This polyline shapefile was made from 75 original tiled Digital Elevation Models (DEMs) that were mosaicked into one grid and resampled to 200 mete... California. Department of Fish and Game. Marine Resources Region.
1997. Hatcher, Gerry. This line shapefile shows contour coverage of Monterey Bay, California at 10-meter intervals. These data were created from the 20-Meter Bathymetry ... Monterey Bay Aquarium Research Institute.
2001. Jasper Ridge Biological Preserve (Agency). This line shapefile shows topographic contour lines of the Jasper Ridge Biological Preserve (JRBP) at 10 meter intervals. This layer is part of a c... Jasper Ridge Biological Preserve (Agency).
1984. California. Division of Mines and Geology. This raster layer is a 10-meter resolution digital elevation model (DEM) depicting the terrain surface and elevations within the Albion River water... California. Division of Mines and Geology.
2000. California. Division of Mines and Geology. This shaded relief map was derived from the digital elevation model (see "Digital Elevation Model: Albion River Watershed, California, 2004" raster... California. Division of Mines and Geology.
1996. Circuit Rider Productions. This layer shows the areas of the USGS 1:100,000 quadrangle boundary maps that are within the watershed boundaries of the Russian River basin. This... Circuit Rider Productions.
2014. National Atlas of the United States. This line shapefile includes Global Map data showing the coastline of the United States, Puerto Rico, and the U.S. Virgin Islands. The United State... National Atlas of the United States.
2013. National Atlas of the United States. This polygon shapefile contains combined statistical areas in the United States and Puerto Rico. Combined statistical areas consist of two or more ... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Alaska. The map layer was derived from the 100-meter resolution elevation data set which is p... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Hawaii. The map layer was derived from the 100-meter resolution elevation data set which is p... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for Puerto Rico and the U.S. Virgin Islands. The map layer was derived from the 100-meter resolut... National Atlas of the United States.
2014. Geological Survey (U.S.). This line shapefile shows elevation contour lines for the conterminous United States. The map layer was derived from the 100-meter resolution eleva... National Atlas of the United States.
2013. National Atlas of the United States. This polygon shapefile contains core based statistical areas in the United States and Puerto Rico. The map layer was created from the CENSUS 2010 T... National Atlas of the United States.
2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands, by showing the counties as ar... Geological Survey (U.S.).
2014. Geological Survey (U.S.). This polygon shapefile contains the county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. This layer was derived from t... Geological Survey (U.S.).
