Gas Reserves, "The Overthrust Belt: Will It Double U.S. Gas Reserves?", by Philip F. Anschutz

Gas Reserves, "The Overthrust Belt: Will It Double U.S. Gas Reserves?", by Philip F. Anschutz, Box: 7, Folder: 54. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34222 Accessed December 25, 2025.