Pfaender, Jay. Typescript, "The Rapidan Hydroelectric Dam," 1965. SMHC Manuscript Collection 1266, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato.

Pfaender, Jay. Typescript, "The Rapidan Hydroelectric Dam," 1965. SMHC Manuscript Collection 1266, Southern Minnesota Historical Center, Memorial Library, Minnesota State University, Mankato. https://archivesspace.lib.mnsu.edu/public/repositories/4/resources/62 Accessed April 10, 2025.