This primary source comes from the Records of the Environmental Protection Agency.
National Archives Identifier:
547249Full Citation: Aerial View of Mt. Vernon and the Potomac River; 4/1973; Records of the Environmental Protection Agency, Record Group 412. [Online Version, https://www.docsteach.org/documents/document/aerial-view-of-mt-vernon-and-the-potomac-river, May 5, 2024]