National Petroleum Council Committee on Possible Future Petroleum Provinces of the U.S

National Petroleum Council Committee on Possible Future Petroleum Provinces of the U.S, Box: 231, Folder: 7. Dean A. McGee papers, RH MS 537. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/157455 Accessed December 25, 2025.