01017nem 2200337 n 450 991079161940332120200520144314.0(CKB)2560000000057365(MiAaPQ)EBC3329901(Au-PeEL)EBL3329901(CaPaEBR)ebr10002742(OCoLC)842588429(EXLCZ)99256000000005736520101210d2000 uy engurcn|||||||||Expansion of railroads to 1860[electronic resource][S.l.] Maps.comc20001 online resource (1 map)Expansion of railroads to 1860-- North America, United States, mapRailroadsUnited StatesHistory19th centuryMapsUnited StatesMapsRailroadsHistoryMaps.com (Firm)MiAaPQMiAaPQMiAaPQBOOK9910791619403321Expansion of railroads to 18603711133UNINA