In order to allow for the installation of scaffolding and floor, statuary, and artwork protection in conjunction with the Dome Restoration Project, the Rotunda of the Capitol will be closed from Monday, July 27 through Monday, September 7. While the Rotunda is unavailable for tours, an alternate tour route will be provided. The Capitol Visitor Center is open during the closure of the Rotunda and will offer special activities which do not require advance reservations. You can also download our new U.S. Capitol Rotunda app.

Exhibit Theme

A Railroad to the Pacific - 1

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Map, Exploration of a Railroad...
Image Caption

Map, Exploration of a Railroad Route, 1854-1857, compiled by G.K. Warren et al., 1858

With appropriations from Congress, Secretary of War Jefferson Davis commissioned the Army Corps of Engineers to explore four routes from the Mississippi River to the PacificCoast. This map, issued with their published report, combines information from many previous expeditions and indicates the locations of American Indian nations and military posts.


Geography and Map Division, Library of Congress