Author
United States. Bureau of Mines
45
Geological Survey (U.S.)
29
Project Open
24
West Virginia University. Technology Education Program
24
West Virginia Geological and Economic Survey
20
United States. Army. Corps of Engineers
19
West Virginia. Division of Highways
19
West Virginia. Division of Water Resources
19
United States. Army. Corps of Engineers. Huntington District
17
United States. Soil Conservation Service
16
West Virginia. Department of Mines
16
Davis, J. D. (Joseph Dana), 1882-1956
14
Reynolds, D. A. (Dewey A.), 1898-1992
12
United States. Forest Service
12
West Virginia. State Road Bureau
12
West Virginia. Department of Highways
11
West Virginia. State Road Commission
11
United States. Army. Corps of Engineers. Pittsburgh District
10
Fieldner, Arno Carl, 1881-1966
9
Chesapeake & Ohio Historical Society
8
Industrial Environmental Research Laboratory (Cincinnati, Ohio)
8
McAteer, J. Davitt
8
Selvig, W. A. (Walter Alfred), 1886-1972
8
Sprunk, G. C. (George C.), 1905-1995
8
United States. Army. Corps of Engineers. Ohio River Division
8
West Virginia. Department of Agriculture
8
Pickering, Mimi
7
Appalshop, Inc
6
Chapin, Brenda
6
Geological Survey (U.S.). Water Resources Division
6
Thiessen, Reinhardt, 1867-1938
6
United States. Federal Highway Administration
6
United States. National Park Service
6
West Virginia Surface Mining and Reclamation Association
6
West Virginia. Department of Transportation
6
West Virginia. State Department of Education
6
Whisker, James B., 1939-
6
American Gas Association
5
Dixon, Thomas W.
5
Geyer, John Nicholas, 1896-
5
Haught, Oscar L.
5
Holmes, C. R. (Clarence Raymond), 1902-1971
5
McCulloch, C. M. (Charles M.)
5
Ohio River Basin Commission
5
Skelly and Loy
5
United States. Department of Energy
5
West Virginia University. Agricultural and Forestry Experiment Station
5
West Virginia University. Engineering Experiment Station
5
American Coal Productions
4
Appalshop Films
4
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