"NTC [Natural Trap Cave] Chomko/Pearsall studies" [correspondence and scholarly paper annotations], 1980 - 1981

"NTC [Natural Trap Cave] Chomko/Pearsall studies" [correspondence and scholarly paper annotations], 1980 - 1981, Box: 8, Folder: 4. Personal papers of Larry D. Martin, PP 630. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/494493 Accessed December 24, 2025.