Author
Fitzpatrick, Faith A.,
1
Geological Survey (U.S.),
1
Knox, James C.,
1
Lake Chelan National Recreation Area (Agency : U.S.)
1
Lake Chelan National Recreation Area (Agency : U.S.),
1
North Cascades National Park Service Complex (Agency : U.S.)
1
North Cascades National Park Service Complex (Agency : U.S.),
1
United States. Federal Highway Administration
1
United States. National Park Service,
1
United States. National Park Service. Seattle Support Office,
1
Whitman, Heather E.,
1