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- Wiley, J. B.✖[remove]31
- Geological Survey (U.S.)20
- West Virginia. Division of Highways7
- United States. National Park Service6
- Atkins, John T.5
- Geological Survey (U.S.), issuing body5
- Messinger, Terence2
- Tasker, Gary D.2
- West Virginia. Office of Mining and Reclamation2
- Alaska. Dept. of Transportation and Public Facilities1
- Appel, D. H.1
- Brogan, Freddie D.1
- Canaan Valley Task Force (U.S.)1
- Cunningham, Michael K.1
- Curran, Janet H.1
- Hunt, Michelle L.1
- Marshall University Research Corporation1
- Newell, Dawn A.1
- Ohio River Valley Water Sanitation Commission1
- Paybins, Katherine S., 1966-1