Double Track Railroads Topography Symbols Small 320×105 Medium 640×211 Large 1024×337 Download TIFF Original 2400×790 | (157.2 KB) Description A double railroad track map or topography symbol for drafting and map drawing Keywords Double Track Railroad map Symbol, Double Track Railroad Topography Symbols, map symbols, symbol, Train Double Track Symbol, train symbol Galleries Topography Source: French, Thomas E A Manual of Engineering Drawing for Students and Draftsmen (New York, NY: McGraw-Hill, 1911)
