Scale ca. 1:625,000. LC Railroad maps, 81 Description derived from published bibliography. Annotations added in pencil and colored inks to indicate "Railroads tending to Richmond, Norfolk Alexandria and Baltimore," and the "proposed extension of the Manassas Gap Railroad west . . . Sep. 1852." Available also through the Library of Congress Web site as a raster image.
Vaisz, W. - Virginia. Board of Public Works
Topographical map of part of northern Virginia showing relief by hachures, drainage, cities and towns, counties, roads, and railroads with distances. Includes profiles. Chartered March 11, 1850. Opened in 1854 from Manassas Junction to Strasburg. Va. Consolidated June 1, 1867, with the Orange and Alexandria, forming the Orange, Alexandria, and Manassas Railroad. See entries 507 and 508.
Dwyer, Thomas - Manassas Gap Railroad Company