Abert, J. W. (James William), 1820-1897. cartographic Maps. lcgft Salted paper prints 1861-1865. gmgpc [S.l. : s.n. , 1862?] eng Relief shown by shading. Shows area south of Frederick, Maryland to Colchester, Virginia and west of Baltimore, Maryland to Harpers Ferry, West Virginia, including fortifications at Munson Hill. Note on verso obscured by mounting: From Capt. James W. Abert, U.S. Army Topog. Engrs. LC copy annotated in ink: Capt. James W. Abert, Capt. U.S. Army Topog. Engrs. Title, date, and scale from Stephenson's Civil War maps, 1989. Civil War salted paper maps. Sun print. LC copy: Annotated in ink, hand colored in watercolors, and mounted on cloth. Call no. cited in LC Civil War maps (2nd ed.): G3882.N6 186- .A3 Vault. Library of Congress. Civil War maps (2nd ed.), Virginia, Northern--History--Civil War, 1861-1865--Maps. Virginia, Northern--Defenses--Maps. Maryland--History--Civil War, 1861-1865--Maps. Washington Region--Maps. United States United States United States District of Columbia. Available also through the Library of Congress Web site as a raster image. http://hdl.loc.gov/loc.gmd/g3882v.cw0451700