153. Cacti in foreground with mountains in the background; print marked "Looking Southeast from camp kilometer No. 50" captioned "Cat 11."

153. Cacti in foreground with mountains in the background; print marked "Looking Southeast from camp kilometer No. 50" captioned "Cat 11.", Box: 1. James E. Long Photograph Collection, 352928987. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/416873 Accessed September 27, 2026.