AAS, AASG-SGTRG; AGI-DOE; Batelle-Geo Rev; API; GSA; KCCI; KS Geo Sur; KIOGA - Wichita Eagle Beacon, Box: 37/1.8. Records of the Kansas State Geological Survey, RG 37. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/540764 Accessed February 16, 2025.