Author
Geological Survey (U.S.)
2
Jackson (Miss.)
2
Oakley, W. T. 1942-
2
Strom, Eric W.
2
Forest Products Laboratory (U.S.)
1
Kainz, James A.
1
National Wood in Transportation Information Center (U.S.)
1
U.S. Fish and Wildlife Service
1
United States. Federal Highway Administration
1
United States. National Park Service
1