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The Geography of the Western Kentucky Coal Field
Wilbur Greeley Burroughs
其他書名
A Study of the Influence of Geology and Physiography Upon the Industry, Commerce, and Life of the People
出版Kentucky Geological Survey, 1924
URLhttp://books.google.com.hk/books?id=k9ttzgEACAAJ&hl=&source=gbs_api