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Our mineral civilization
Read, Thomas Thornton, (1932)
Labor standards and metal mining : a study of the effects of the fair labor standards Act of 1938 on the non-ferrous metal mining industry
Ertl, Tell, (1947)
Ores and industry in South America : By H. Foster Bain and Thomas Thornton Read. Published for the Council on Foreign Relations
Bain, Harry Foster, (1934)