Methane Generation and Petroleum Migration--Final typed original of publication version. Text typed by Goeke. Biblio. and illus. ration list by HDH. Geoke's carbon, Box: 82, Folder: 11. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/151376 Accessed November 24, 2024.