23. Mina “S. Juan La Blanca.” [con la fecha, 28 Abril 1910], 1910 abril 28

23. Mina “S. Juan La Blanca.” [con la fecha, 28 Abril 1910], 1910 abril 28, Box: 1. Photographs of Pachuca, Hidalgo, Mexico, 33288248. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/261066 Accessed September 25, 2026.