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1855. Thomas, William G., 1964-. This line shapefile represents the railroad network of the United States in 1855. This layer is part of the Railroads and the Making of Modern Amer... University of Nebraska--Lincoln.
1861. Thomas, William G., 1964-. This line shapefile represents the railroad network of the United States in 1861. This layer is part of the Railroads and the Making of Modern Amer... University of Nebraska--Lincoln.
1870. Thomas, William G., 1964-. This line shapefile represents the railroad system of the United States in 1870. This layer is part of the Railroads and the Making of Modern Ameri... University of Nebraska--Lincoln.
2005. Geological Survey (U.S.). This line shapefile represents railroads in the conterminous United States and Alaska at 1:2,000,000. This is a replacement for the December 1998 m... Geological Survey (U.S.).
2014. United States. Bureau of Transportation Statistics and Hunt, Raquel. The Rail Network is a comprehensive database of the United States railway system at 1:24,000 to 1:100,000 scale. This polyline shapefile covers all... United States. Bureau of Transportation Statistics.
2014. United States. Bureau of Transportation Statistics and Hunt, Raquel. The Rail Network is a comprehensive database of the nation's railway system at 1:24,000 to 1:100,000 scale. This point shapefile covers all 50 Stat... United States. Bureau of Transportation Statistics.
1998, 1999, 2000, 2001, and 2002. United States. Bureau of Transportation Statistics, United States. Federal Railroad Administration, and Environmental Systems Research Institute (Redlands, Calif.). This line shapefile represents a comprehensive database of the nation's railway system at 1:100,000 scale. The data set covers the 48 contiguous St... Environmental Systems Research Institute (Redlands, Calif.).