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UNT Libraries Government Documents Department
Country:
South Africa
Serial/Series Title:
Report of investigations (United States. Bureau of Mines)
- Drilling and Dustiness of Metal-Mine Air
- Report issued by the U.S. Bureau of Mines on the air quality in metal-mines after using wet drills. Dust samples are collected and compared to samples collected from similar metal-mines in South Africa and Australia. This report includes tables. digital.library.unt.edu/ark:/67531/metadc38372/
- Oil-Shale Operations in the Union of South Africa: October 1947
- Report issued by the Bureau of Mines over production of oil-shale facilities in South Africa. The deposits of oil-shales, and torbanites are described. The operations at the production facilities are also presented. This report includes tables, maps, illustrations, and photographs. digital.library.unt.edu/ark:/67531/metadc38610/