Methane Generation and Petroleum Migration - Copy of Draft Used in Preparation of Oklahoma City AAPG Presentation, Sept. 12, 1977, Box: 82, Folder: 7. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/151372 Accessed June 18, 2024.