Keya Paha County near Springview, Neb--H.W. Patterson Dam and Mrs. N.C. Vifquain Dam, May 1935, Box: 1, Folder: 17. W.P.A. Projects in Nebraska Photographs, RH PH 158. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/287616 Accessed March 13, 2025.