History of the Ajo district, 1933.
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University of Arizona. Faculty
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Mathewson, Edward Payson, 1864-
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Biographical note: Mining consultant, Edward Mathewson joined the faculty of the University of Arizona in 1926 to teach mining and metallurgical courses after a forty-year career in mining throughout North and South America. From the description of Papers, ca. 1891-1944. (Arizona Historical Society, Southern Arizona Division). WorldCat record id: 150467976 Metallurgist and mining engineer; professor of administration of mineral industries, University of Arizona, 1926 to 1942...