Joseph M. Dawson Sr. on horseback in jungle, south near Río Negro

Joseph M. Dawson Sr. on horseback in jungle, south near Río Negro, Box: 1, Item: 34. Joseph M. Dawson Sr. Photograph Collection, 2019-21. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/409855 Accessed September 27, 2026.