Keywords: Sketch of the Defenses of Pittsburg (sic) made by order of Captain Craighill, Corps of Engrs., USA, July 20th, 1863... - NARA - 305785.jpg Scope and content General notes 305785 Local identifier 77-FORTS-DR145SHT9 War Department Office of the Chief of Engineers 1818 - 09/18/1947 Cartographic and Architectural Records Section Special Media Archives Services Division NWCS-C National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 1863-04-20 Record group Record Group 77 Records of the Office of the Chief of Engineers 1789 - 1999 Record group ARC 406 Fortifications Map File Plans of Military Forts compiled 1790 - 1941 Series ARC 305749 File unit File unit ARC Variant control numbers NAIL Control Number NWDNC-77-FORTS-DR145SHT9 Other versions <gallery> File Sketch_of_the_Defenses_of_Pittsburg_ sic _made_by_order_of_Captain_Craighill _Corps_of_Engrs _USA _July_20th _1863 _-_NARA_-_305785 tif tif File Sketch_of_the_Defenses_of_Pittsburg_ sic _made_by_order_of_Captain_Craighill _Corps_of_Engrs _USA _July_20th _1863 _-_NARA_-_305785 jpg jpg </gallery> NARA-cooperation PD-USGov History of Pittsburgh Old maps of Pennsylvania in the American Civil War Maps of Pittsburgh |