Keywords: Bridge-Shows Block House - NARA - 530053.jpg Scope and content General notes 530053 Local identifier 111-B-5972 War Department Office of the Chief Signal Officer 08/01/1866 - 09/18/1947 NARA-Author Brady National Photographic Art Gallery Washington D C 1858 - Photographer 1135962 <br /> Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 circa 1860 1865 Record group Record Group 111 Records of the Office of the Chief Signal Officer 1860 - 1985 Record group ARC 440 Mathew Brady Photographs of Civil War-Era Personalities and Scenes compiled 1921 - 1940 documenting the period 1860 - 1865 Series ARC 524418 File unit File unit ARC Variant control numbers NAIL Control Number NWDNS-111-B-5972 Other versions <gallery> File Bridge-Shows_Block_House_-_NARA_-_530053 tif tif File Bridge-Shows_Block_House_-_NARA_-_530053 jpg jpg </gallery> NARA-cooperation PD-USGov Wooden railway bridges American Civil War bridges Railroads of the American Civil War Black and white photographs of bridges in the United States Railway bridges in Virginia Orange and Alexandria Railroad Through truss bridges in the United States Wooden truss bridges in the United States Lattice truss |