Preliminary Report on the General Geology of Morro Velho,, 1952 November

Preliminary Report on the General Geology of Morro Velho,, 1952 November, Box: 145, Folder: 5. 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/346932 Accessed September 26, 2026.