Author
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United States. Forest Service
10
United States. National Park Service
2
United States. National Park Service. Division of Recreation Resources Development. Western Regional Office
1
University of Massachusetts
8
University of New Hampshire
6
University of Vermont
5
University of Waterloo
1
Vander Stoep, Gail A.
1
Vander Stoep, Gail. A.
1
Vaske, Jerry J.
1
Virginia Polytechnic Institute
1
Watson, Alan E.
1
West Virginia University
6
Western Illinois University
3
Westfield State College
7
Williamson, T.
1