Ways, Harry C. (1996). The Washington Aqueduct: 1852-1992. Baltimore, MD: U.S. Army Corps of Engineers, Baltimore District. Archived from the original on 2024-02-07. Retrieved 2020-05-02.
Ways, Harry C. (1996). The Washington Aqueduct: 1852-1992. Baltimore, MD: U.S. Army Corps of Engineers, Baltimore District. Archived from the original on 2024-02-07. Retrieved 2020-05-02.