This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier:
530489Full Citation: Garrison, William Lloyd; three-quarter-length, seated; ca. 1860 - 1865; Records of the Office of the Chief Signal Officer, Record Group 111. [Online Version, https://docsteach.org/documents/document/garrison-william-lloyd-threequarterlength-seated, May 3, 2024]