Dwelley, R.-Report on Morro Velho & Raposos Mines,, 1958 April

Dwelley, R.-Report on Morro Velho & Raposos Mines,, 1958 April, Box: 145, Folder: 13. 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/346940 Accessed September 27, 2026.