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Carbonizing Properties and Petrographic Composition of Upper Freeport Coal from Morgantown District, Monongalia County, W. Va
Arno Carl FieldnerJoseph Dana DavisWalter Alfred SelvigDewey A. ReynoldsRalph Emmet BrewerGeorge C. SprunkClarence Raymond Holmes
其他書名
And of Lower Freeport Coal from Eastern Indiana County, Near Cambria County, Pa
出版U.S. Department of the Interior, Bureau of Mines, 1941
URLhttp://books.google.com.hk/books?id=466vIi7yMtwC&hl=&source=gbs_api
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