Diagram of the United States of America, Mexico, the West India Islands and Isthmus of Darien; by W. T. Steiger, General Land Office.

Outline map of the United States and Middle America showing proposed routes of the Pacific Rail Road and its branches in connection with the various systems of existing and unfinished rail roads from the Mississippi Valley to the Atlantic and Gulf coasts.
Scale ca. 1:6,000,000.
LC copy imperfect; northeast portion of map missing.
LC Railroad maps, 28
Description derived from published bibliography.
A table of distances appears to the right of the map.
Available also through the Library of Congress Web site as a raster image.