Revised copy of "A Leasing System for Frontier Regions of U.S. offshore" sent to O, July 10, 1981, Box: 23, Folder: 5. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/149578 Accessed April 28, 2024.