Exhibit Theme

Post Roads

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Map of New Jersey and Pennsylvania...
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Map of New Jersey and Pennsylvania Exhibiting the Post Offices, Post Roads, Canals, Rail Roads, &c., by David H. Burr, 1839

Technological advances in the nineteenth century helped build a transportation network vital to the nation’s growth and unity. Canals traversed unnavigable portions of rivers and coastal waterways while steam engines powered boats and trains.

Geography and Map Division, Library of Congress

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