(Producing Department, Western Region) - Exploration Planning in Western Canada, 1920-1960

(Producing Department, Western Region) - Exploration Planning in Western Canada, 1920-1960, Box: 7, Folder: 62. Wallace E. Pratt papers, RH MS 870. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/34230 Accessed December 25, 2025.