Designing, Implementing, and Monitoring Waterfloods, workshop sponsored by the North Midcontinent Resource Center, PTTC, Wichita, Kansas, November 3, 1999, Box: 4, Folder: 6. Personal papers of Paul Willhite, PP 618. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/455048 Accessed May 26, 2024.