Atchison, Topeka, and Santa Fe Railway Company vs. Security Underground Storage, Inc. [court case]--Correspondence, U.S. District Court documents, 1970-1971, Box: 13, Folder: 2. Lloyd H. Ruppenthal papers, RH MS 844. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/58750 Accessed May 17, 2024.