This primary source comes from the Records of the Office of the Secretary of the Interior.
National Archives Identifier:
11648Full Citation: The TVA at Work; 1935; Motion Picture Film Documentation of the Diverse Activities of the Department of the Interior, 1916 - 1976; Records of the Office of the Secretary of the Interior, Record Group 48; National Archives at College Park, College Park, MD. [Online Version, https://www.docsteach.org/documents/document/the-tva-at-work, May 7, 2024]