Author
Brown & Co. Engineering Ltd
1
Legg, Christopher
1
Maine. Bureau of Parks and Lands
1
Moses Structural Engineers
1
North Central Forest Experiment Station (Saint Paul, Minn.)
1
Ontario Minsistry of Natural Resources and Forestry
1
Polak, David J.
1
Rosen, Howard N.
Stewart, Harold A.
1
Tingley, Dan
1
U.S. Department of Agriculture. Forest Service
1