1. Social conditions and visitor flow data for the Boundary Waters Canoe Area Wilderness (1st Edition)
- Author(s):
- Douglas, Mark L.; Borrie, William T.; Watson, Alan E.
2. Wildland fire emission factors database
- Author(s):
- Lincoln, Emily N.; Hao, WeiMin; Weise, David R.; Johnson, Timothy J.
U.S. Department of Agriculture