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- Geological Survey (U.S.)17
- McFarland, E. Randolph14
- Geological Survey (U.S.), issuing body10
- Smith, Barry S.8
- Virginia. Dept. of Environmental Quality6
- Harlow, George E.5
- Laczniak, Randell J.4
- Naval Weapons Station (Yorktown, Va.). Environmental Directorate4
- Bruce, T. Scott, 1960-3
- Hamilton, Pixie A.3
- Harsh, John F.3
- LeCain, Gary D.3
- Nelms, David L.3
- Powell River Project3
- Virginia. Division of Mined Land Reclamation3
- Brockman, Allen R. (Allen Richard), 1961-2
- Dahlgren Laboratory. Safety and Environmental Office2
- Hampton Roads Planning District Commission (Va.)2
- Richardson, Donna L.2
- Virginia. Department of Environmental Quality, sponsoring body2