Mattern, H. W. Carman, Ezra Ayers, 1834-1909. manuscriptcartographic Manuscript maps. lcgft [Washington, D.C.?] eng Relief shown by hachures. The numerous red and blue ink troop position symbols are believed to have been added by hand to the photocopy base maps by Genl. Ezra A. Carman. Maps depict Confederate and Union troop movements in Maryland and Virginia during the week leading up to the Battle of Antietam. Statement at foot of base-map title is lined over in black ink: Taken from atlas accompanying war records. The base maps cover central Maryland including the regions of Baltimore, Washington D.C., Harper's Ferry, and by northern extension to Gettysburg (Pa.). Page numbers in red ink at upper right on each sheet: Page 235 -- Page 237 -- Page 239 -- Page 245 -- Page 251 -- Page 262 -- Page 273 -- Page 506. All 8 base maps are identical. Each sheet is mounted on a paperboard reinforcement with cloth backing attached. Each map is accompanied by a small ms. (ink/pencil) note-pad sheet describing actions shown in the map content area. Night of September 6 1862 -- Night of September 8 1862 -- Night of September 9 1862 -- Night of September 10 1862 -- Night of September 11 1862 -- Night of September 12 1862 -- Night of September 13 1862 -- Night of September 14 1862. Library of Congress. Civil War maps (2nd ed.), Dr. Louis D. Carman; Maryland Campaign, 1862--Maps. Antietam, Battle of, Md., 1862--Maps. Maryland--History--Civil War, 1861-1865--Campaigns--Maps. Maryland--Maps. United States Available also through the Library of Congress Web site as a raster image. http://hdl.loc.gov/loc.gmd/g3841sm.gcw0242000