Author
United States. Federal Highway Administration
59
Delaware. Division of Highways. Location and Environmental Studies Office
57
Delaware. Bureau of Archaeology and Historic Preservation
52
Custer, Jay F., 1955-
28
Catts, Wade P.
11
Bachman, David C.
10
Delaware. Department of Transportation. Division of Planning. Location and Environmental Studies Office
10
Delaware. State Historic Preservation Office
10
Coleman, Ellis C.
8
Grettler, David J.
8
Heite, Edward F.
8
U.S Federal Highway Administration
8
Hoseth, Angela
6
Delaware Bureau of Archaeology and Historical Preservation
5
Bowers, Martha H.
4
Delaware. Division of Highways
4
Hodny, Jay
4
Pennsylvania. Bureau of Topographic and Geologic Survey
4
Pennsylvania. Department of Environmental Resources
4
Delaware. Department of Natural Resources and Environmental Control
3
Delaware. Department of Transportation
3
Foundation for Architecture (Philadelphia, Pa.)
3
Gallery, John Andrew
3
Group for Environmental Education (Philadelphia, Pa.)
3
Heite, Louise B.
3
Louis Berger and Associates. Cultural Resource Group
3
United States. National Park Service
3
Watson, Scott C.
3
Blume, Cara L.
2
Braddock, Alan C., 1961-
2
Conlogue, William,
2
Custer, Jay F.
2
De Santis, Colleen
2
Delaware Dividion of Highways Location and Environmental Studies Office
2
Delaware Estuary Program
2
Delaware River Basin Commission
2
Delaware. Division of Historical and Cultural Affairs
2
Faill, Rodger T.
2
Gillette, Howard, Jr., 1942-
2
Glover, Albert D.
2
Igoe, Laura Turner, 1982-
2
Jamison, JoAnn
2
Lothrop, Jonathan C.
2
New Jersey. Department of Transportation. Bureau of Environmental Analysis
2
Penn Bureau of Topographic and Geologic Survey
2
Penn Dept. of Environmental Resources
2
Pennsylvania Environmental Council
2
Pennsylvania Institute for Environmental and Community Service Learning
2
Pennsylvania. Bureau of State Parks
2
Polgar, Paul J.,
2
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