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2014. This point shapefile depicts grade crossings and originates from the National Highway-Rail Crossing Inventory Program. A crossing is defined as tho... United States. Bureau of Transportation Statistics.
1840. Thomas, William G., 1964-. This line shapefile represents the railroad network of the United States in 1840. This layer is part of the Railroads and the Making of Modern Amer... University of Nebraska--Lincoln.
1845. Thomas, William G., 1964-. This line shapefile represents the railroad network of the United States in 1845. This layer is part of the Railroads and the Making of Modern Amer... University of Nebraska--Lincoln.
1850. Thomas, William G., 1964-. This line shapefile represents the railroad network of the United States in 1850. This layer is part of the Railroads and the Making of Modern Amer... University of Nebraska--Lincoln.
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.