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Mining and milling of a low grade copper oreArmstrong, Richard Edward. Johnson, Horace Asahel. January 1908 (has links) (PDF)
Thesis (B.S.)--University of Missouri, School of Mines and Metallurgy, 1908. / The entire thesis text is included in file. Typescript. Illustrated by authors. R. E. Armstrong determined to be Richard Edward Armstrong and H. A. Johnson determined to be Horace Asahel Johnson from "Thirty-Seventh Annual Catalogue of the School of Mines and Metallurgy". Title from title screen of thesis/dissertation PDF file (viewed November 12, 2008) Includes bibliographical references (p. 31).
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