Region
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Blitzen River Wilderness (Or.)
3
Blue Canyon Wilderness
2
Blue Canyon Wilderness (Or.)
3
Blue Mountain Ecological Province
2
Blue Mountains (Or. and Wash.)
7
Boise River Valley
1
Boise River Valley (Idaho)
1
Bonneville Dam (Or. and Wash.)
1
Boulder County
1
Bravo Creek Site (Or.)
1
British Columbia
1
Brookings (Or.)
1
Brownlee Reservoir (Idaho and Or.)
1
Bull Run River
1
Bull Run River Watershed
10
Bull Run River Watershed (Or.)
4
Bully Creek (Malheur County)
1
Burns
1
Burnt River
1
Burnt River Canyon
1
Burnt River Valley
1
Butte Falls
1
California
122
California, Northern
8
Camp Creek Wilderness
2
Camp Creek Wilderness (Or.)
2
Canada
1
Cape Meares National Wildlife Refuge (Or.)
2
Caribou County
1
Cascade Range
13
Cascade Range Forest Reserve
1
Cascade Range Forest Reserve (Or.)
1
Cascade-Siskiyou National Monument
2
Cascade-Siskiyou National Monument (Or.)
3
Catron County
1
Caviness Quadrangle
1
Chetco River
3
Chetco River (Or.)
1
China
1
Christmas Lake Valley
1
Christmas Lake Valley (Or.)
1
Christmas Valley Region
1
Christmas Valley Region (Or.)
1
Cibola National Forest (N.M.)
1
Clackamas County
6
Clackamas River
3
Clackamas River Watershed
3
Clallam County
1
Clark County
5
Clatsop County
4
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