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Geology and Coal Reserves of the Kermit and Varney Area, Kentucky
John Warfield Huddle
Kenneth John Englund
出版
U.S. Government Printing Office
, 1966
URL
http://books.google.com.hk/books?id=WaQlnCw4h-8C&hl=&source=gbs_api
註釋
Additional title page description: A study of the principal coal beds and Pennsylvanian stratigraphy in parts of Martin and Pike Counties, Kentucky.