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R.C. Allen, Consultant, Ferrous Minerals and Alloys, Production Division (right), and Dr. C.K. Leith, Consultant on…
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R.C. Allen, Consultant, Ferrous Minerals and Alloys, Production Division (right), and Dr. C.K. Leith, Consultant on Minerals, Office of Production Management (OPM). Formerly professor in Geology at University of Wisconsin (still). Sourced from the Library of Congress.

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R.C. Allen, Consultant, Ferrous Minerals and Alloys, Production Division (right), and Dr. C.K. Leith, Consultant on Minerals, Office of Production Management (OPM). Formerly professor in Geology at University of Wisconsin (still). Sourced from the Library of Congress.

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