R-4 Report to Energy Policy Task Force or "A Suggested Energy Policy for Oil and Gas" to Bill Haynes, September 23, 1980, Box: 27, Folder: 29. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/149703 Accessed May 18, 2024.