Region
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San Jacinto Mountains
1
Santa Rosa Mountains
1
Santa Rosa and San Jacinto Mountains National Monument (Calif.)
1
Seward Peninsula
1
Shenandoah River Valley (Va. and W. Va.)
1
Steens Mountain (Or.)
1
Steens Mountain Region
1
Stehekin River Valley
1
Tule Lake National Wildlife Refuge
1
Tule Lake National Wildlife Refuge (Calif.)
1
Virginia
1
Yuma County
1