111. Two spans of steel bridge over muddy water beside cut in hillside; print marked "BALSAS"

111. Two spans of steel bridge over muddy water beside cut in hillside; print marked "BALSAS", 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/416610 Accessed September 27, 2026.