107. Wooded mountain in foreground, bare mountain in right background marked on print with a cross; print captioned "BOLADERO MT. at LA LEONA IRON MINES, which is a solid mountain of iron over 1500 feet high and the outcroppings of iron are so great that practically no vegetation will grow on the surface at all. Property of GUERRERO DEVELOPMENT CO."

107. Wooded mountain in foreground, bare mountain in right background marked on print with a cross; print captioned "BOLADERO MT. at LA LEONA IRON MINES, which is a solid mountain of iron over 1500 feet high and the outcroppings of iron are so great that practically no vegetation will grow on the surface at all. Property of GUERRERO DEVELOPMENT CO.", 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/416606 Accessed September 27, 2026.