Modern Methods of Mineral Exploration in Canada,, 1949 July

Modern Methods of Mineral Exploration in Canada,, 1949 July, Box: 259, Folder: 9. 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/346008 Accessed September 26, 2026.