This primary source comes from the Records of the Central Intelligence Agency.
Full Citation: Disposition of Military Forces in Northern Indochina and Southern China; 12/13/1950; Published Maps, 1947 - 2015; Records of the Central Intelligence Agency, Record Group 263; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/disposition-of-military-forces-in-northern-indochina-and-southern-china, May 5, 2024]