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Asbestos
From Introduction: "This report covers the essential features of the asbestos industry, including occurrence, production, mining, milling, utilization, international trade, and marketing."
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.
Index of Selected Gasification Patents (In Three Parts): [Part] 2. United Kingdon, Australian, Canadian, and South African Patents
Report issued by the Bureau of Mines over patents related to the Fischer-Tropsch synthesis. Details of the patents are presented and discussed. This report includes illustrations.
An Index of Shale-Oil Patents
From Introduction: "Work on this project was begun early in 1944; and the results with respect to shale oil are reported in this Bulletin. Since this bulletin is only an index to this large repository of ideas relating to the the treatment of shale oil, the material is presented in the form of short notices describing the subject material of each patent, which consist of an abridgment of the patent (if British or Australian) or a typical claim in the case of the United States or foreign patents."
Mineral Resources of the Malagasy Republic
Report issued by the U.S. Bureau of Mines discussing mineral resources of the Malagasy Republic. As stated in the introduction, "this survey presents essential data from which a preliminary appraisal of mineral-development potentials can be made and includes minerals not of primary interest to investors" (p. 1). This report includes maps, tables, and illustrations.
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.
Sponge-Iron Experiments at Mococo
From Forward: "This bulletin covers one phase of the program of the Metallurgical Division of the Bureau of Mines on the direct production of iron from its ores. Another phase of this program has been covered in Bulletin 391, Microscopic Structure and Concentratability of the Important Iron Ores of the United States, by S. R. B. Cooke. Methods of iron-core concentration will be discussed in future bulletins."
World Survey of Tantalum Ore
Report issued by the U.S. Bureau of Mines discussing the occurrences of tantalum in different areas of the world. The tantalum deposits are described in reference to each individual country that it is found in. This report includes maps, tables, and illustrations.
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