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Contributions To Kentucky Geology An Indexed Collection Of All The Shorter Papers And Reports Of The State Geologist Written During The Year 1919 On Te Mineral Resources Of The Commonwealth »
Oil Field Stratigraphy of Kentucky A Systematic Presentation of the Several Oil Sands of the State as Interpreted from Twelve Hundred New and Detailed Well Records »
Economic Papers on Kentucky Geology an Indexed Collection of Thirteen Short Papers and Reports on the Geology and Special Occurrence of Oil and Gas, Oil Shale, Asphalt Rock, and Fluorspar Withi... »