Keywords: Picture posed in France, near front line trenches, by Major Evarts Tracey, Engineer Corps, U.S.A., to illustrate... - NARA - 530749.tif Local identifier 111-SC-23094 Department of Defense Department of the Army Office of the Chief Signal Officer 09/18/1947 - 02/28/1964 Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 1918 Record group Record Group 111 Records of the Office of the Chief Signal Officer 1860 - 1985 Record group ARC 440 Signal Corps Photographs of American Military Activity compiled 1754 - 1954 Series ARC 530707 Variant control numbers NAIL Control Number NWDNS-111-SC-23094 General notes Use War and Conflict Number 639 when ordering a reproduction or requesting information about this image Scope and content File unit File unit ARC yes NARA-cooperation PD-USGov United States military people of World War I World War I chemical warfare 1918 in France |