Silicosis Pneumokoniosis and Dust Supression in Mine's,, 1947 April

Silicosis Pneumokoniosis and Dust Supression in Mine's,, 1947 April, Box: 262, Folder: 2. 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/346045 Accessed September 27, 2026.