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1. 1:1,000,000-Scale Major Roads of the United States, 2012

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.).

2. United States National Atlas Water Feature Lines, 2012

2012. National Atlas of the United States and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents the linear water features (for example, aqueducts, canals, intracoastal waterways, and streams) of the United States... Environmental Systems Research Institute (Redlands, Calif.).

3. U.S. National Atlas Water Feature Lines, 2012

2012. National Atlas of the United States and Esri. U.S. National Atlas Water Feature Lines represents the linear water features (for example, aqueducts, canals, intracoastal waterways, and streams) ... Esri.