APPG Foote, Martin, and Powers: "Oil and Gas Potential of the Maritime Boundary Region in the Gulf of Mexico", July 12, 1982, Box: 48, Folder: 26. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/150467 Accessed November 24, 2024.