Books by John D. Powell:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Powell, John D. (John Duane), 1944-: Ground-water contamination and movement at the Defense General Supply Center, Richmond, Virginia (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1991), also by Geological Survey (U.S.) and United States. Defense Logistics Agency (page images at HathiTrust)- Powell, John D. (John Duane), 1944-: Hydrology and effects of mining in the upper Russell Fork Basin, Buchanan and Dickenson counties, Virginia (U.S. Dept. of the Interior, Geological Survey ;, 1986), also by J. D. Larson and Geological Survey (U.S.) (page images at HathiTrust)
Find more by John D. Powell at your library, or elsewhere.