Interview with John L. Black for the Gran Canyon Railroad Oral History Project [constructed title], March 17, 1984, 1984

Interview with John L. Black for the Gran Canyon Railroad Oral History Project [constructed title], March 17, 1984, 1984, http://hdl.handle.net/10176/8d319566-066b-4bfb-bd4e-8bb665d69d4c. Special Collections and Archives. https://duarchives.coalliance.org/repositories/2/digital_objects/21331 Accessed October 06, 2024.