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Field Trip Guide Book for Lower Precambrian Volcanic-sedimentary Rocks
Richard W. Ojakangas
其他書名
Of the Vermilion District, Northeastern Minnesota
出版Minnesota Geological Survey, University of Minnesota, 1972
URLhttp://books.google.com.hk/books?id=tJWehXS5_zMC&hl=&source=gbs_api