Contains 623 maps chosen from more than 3,000 railroad maps and about 2,000 regional, state, and county maps, and other maps which show "internal improvements" of the past century. The maps presented here are a selection from the Geography and Map Division holdings, based on the popular cartobibliography, Railroad Maps of the United States: A Selective Annotated Bibliography of Original 19th-century Maps in the ...
Library of Congress. Geography and Map Division - Library of Congress. National Digital Library Program
Very detailed commercial map of the continental United States showing drainage, international and state boundaries, cities and towns, railroad stations, the entire railroad network with names or abbreviations of railroad companies along each line. [From published bibliography]