This primary source comes from the Records of the War Department General and Special Staffs.
National Archives Identifier:
533336Full Citation: Virginia, Brandy Station, Telegraph Construction Corps of the Army of the Potomac; 4/1864; Records of the War Department General and Special Staffs, Record Group 165. [Online Version, https://www.docsteach.org/documents/document/virginia-brandy-station-telegraph-construction-corps-of-the-army-of-the-potomac, May 6, 2024]