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Motorboat use on the Main Salmon River: Data from a study for the Frank Churc...
This publication contains data from a two-phase 1998-1999 study in the Frank Church Wilderness which surveyed visitors about the use of motorboats and jet boats on the Salmon... -
Three Sisters, Mt. Jefferson, and Mt. Washington wilderness areas in Oregon: ...
This data publication contains 1991 permit information and mail-back survey responses from visitors to the Three Sisters, Mt. Washington, and Mt. Jefferson Wilderness areas in...