General inquiries and correspondence, M-Z,, circa 1950s

General inquiries and correspondence, M-Z,, circa 1950s, Box: 4. Saint John d'El Rey Mining Company Records, 1984-12. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/346185 Accessed September 26, 2026.