MapManassas National Battlefield Park, Virginia. Showing action of first battle, July 21, 1861. Scale ca. 1:90,000. LC Civil War Maps (2nd ed.), 572.4 Another issue. Accompanies National Part Service pamphlet entitled "Manassas National Battlefield Park, Virginia." 15 p. Description derived from published bibliography. Available also through the Library of Congress web site as raster image.
- Contributor: United States. National Park Service
- Date: 1943