Oversize from "National Historic Landmark nomination: Spring Hill Ranch (Z-Bar) Chase County, KS"-Box 6 Folder 6, Box: 1, Folder: 6. Dale Nimz papers, RH MS 1422. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/312264 Accessed May 15, 2024.