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Chromite Deposits of Shasta, Tehama, Trinity, and Humboldt Counties, California

Francis Gerritt WellsHerbert Edwin Hawkes

出版	State of California, The Resources Agency, Department of Conservation, Division of Mines and Geology, 1965
URL	http://books.google.com.hk/books?id=4Y4lHQAACAAJ&hl=&source=gbs_api