Relief shown by hachures and spot heights. Shows steamship routes, railroads, and overland mail, emigrant & wagon roads with distances. Includes notes and Diagram of Lloyd's patent reverser. Scale 1:5,274,720. 83 1/4 miles to an inch (W 130°--W 50°/N 55°--N 3°) Mapping the Nation (NEH grant, 2015-2018); Lloyd's topographical map of America, 1871

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Photo credit: © Bravo Images / Alamy / Afripics
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