1. Desolation Wilderness: data from 1997-1998 visitor response to fees, fee demonstration project
- Author(s):
- Watson, Alan E.; Puttkammer, Annette; Christensen, Neal A.
2. Motorboat use on the Main Salmon River: Data from a study for the Frank Church-River of No Return Wilderness
- Author(s):
- Watson, Alan E.; Patterson, Michael E.; Christensen, Neal A.; Puttkammer, Annette; Meyer, Shannon