Scale ca. 1:55,000. LC Civil War Maps (2nd ed.), 162.9 Reprinted 1957. Illustrates descriptive brochure entitled "Chickamauga Battlefield, Chickamauga and Chattanooga National Military Park, Georgia and Tennessee." Map indicates "Union defense line morning of Sept. 20." battlefield sites, park boundary, and tour route. Description derived from published bibliography. Available also through the Library of Congress web site as raster image.