Roadside park (Douglas County Prairie Park and Santa Fe trail wagon ruts) [drawing, notes, news clippings]. 1963-1980, Box: 10, Folder: 17. Russell Randolph Hays papers, RH MS 564. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/278276 Accessed May 06, 2024.