Managing Director to Superintendent,, 1949 March-1956 December

Managing Director to Superintendent,, 1949 March-1956 December, Box: 30. 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/345373 Accessed September 26, 2026.