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Mineral-resource Appraisal of the Rolla 10 X 20 Quadrangle, Missouri, as of September 1980
其他書名
A Nontechnical Summary
出版U.S. Geological Survey, 1983
URLhttp://books.google.com.hk/books?id=caXGNnjPpRsC&hl=&source=gbs_api
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