Multiple - Purpose Project: Design Memorandum no 8, Outlet Works and Spillway, March 1971, January 1972, Box: 3, Folder: 18. Save Our Invaluable Land records, RH MS 803. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/65730 Accessed May 17, 2024.