North Branch Potomac River Basin Mine Drainage Study Skelly and Loy Published: 1976 Total Pages: 208 Get eBook
Water-supply and Irrigation Papers of the United States Geological Survey Published: 1907 Total Pages: 774 Get eBook
Oil and Gas Possibilities at Early Grove, Scott County, Virginia Charles Butts Published: 1927 Total Pages: 990 Get eBook
Geological Series, Bulletin Virginia. Division of Mineral Resources Published: 1927 Total Pages: 1190 Get eBook
County Reports West Virginia Geological and Economic Survey Published: 1927 Total Pages: 540 Get eBook
