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.
Search Results
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.).
2014. National Atlas of the United States. This map layer portrays the ferries on major roads in the United States and Puerto Rico. Ferries are ships that carry vehicles, passengers, and car... National Atlas of the United States.
2012. Geological Survey (U.S.). This map layer portrays the major roads in the United States, Puerto Rico, and the U.S. Virgin Islands. The file was produced by joining the indivi... Geological Survey (U.S.).
2012. National Atlas of the United States. This line shapefile represents railroads in the conterminous United States and Alaska for 2012 at 1:1,000,000 scale. This layer is part of the 1997... National Atlas of the United States.
2014. National Atlas of the United States. This line shapefile represents railroads in the conterminous United States and Alaska for 2014 at 1:1,000,000 scale. This is a revised version of t... National Atlas of the United States.
2014. Geological Survey (U.S.). This map layer shows streams of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer was produced primarily from the Medium-R... Geological Survey (U.S.).
2011. United States. Bureau of Transportation Statistics and United States. Federal Aviation Administration. The Airport Runways database is a geographic dataset of runways in the United States and its Territories containing information on the physical cha... United States. Bureau of Transportation Statistics.
1966. Patuxent Wildlife Research Center. This line shapefile portrays the current routes used for conducting Breeding Bird Surveys in the lower 48 States. This layer is part of the 1997-20... National Atlas of the United States.
2014. National Energy Information Center (U.S.). This line shapefile represents crude oil pipelines in the United States as of Novemeber 2014. These data include interstate trunk lines and selecte... National Energy Information Center (U.S.).