Federal Highway Administration Approve Interchange at Colby I [Interstate]-70, June 17-30, 1977

Federal Highway Administration Approve Interchange at Colby I [Interstate]-70, June 17-30, 1977, Box: 163, Folder: 4, item: 12. Robert F. Bennett gubernatorial papers, RH MS 276. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/485032 Accessed December 25, 2025.