MacKay and Schnellman's An Investigation of Deposits,, 1954-1955

MacKay and Schnellman's An Investigation of Deposits,, 1954-1955, Box: 143, Folder: 8. 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/346905 Accessed September 26, 2026.