"Revision of Cretaceous Stratigraphy in the Patagonian Cordillera of Ultima Esperanza, Magallanes, Province, Chile" by H.R. Katz, copy, January 27, 1962, Box: 17, Folder: 11. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/149464 Accessed November 21, 2024.