Region
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Rio Grande (Colo.-Mexico and Tex.)
2
Rouge, River (River)
1
Rouge, River, Watershed
1
Saint Croix River Region (Wis. and Minn.)
1
Saint John
2
San Diego
1
San Francisco Bay
1
San Juan Islands
1
San Juan Islands (Wash.)
1
Sequoia National Park
3
Sequoia National Park (Calif.)
3
Shasta County
1
Sheyenne River
2
Sheyenne River (N.D.)
2
South Carolina
1
Tennessee
1
United States
22
United States Virgin Islands
2
Utah
2
Virginia
2
Washington (State)
6
Washington (State), Eastern
1
Wenatchee National Forest
1
West (U.S.)
2
West Virginia
1
Whiskeytown-Shasta-Trinity National Recreation Area (Calif.)
1
White River Watershed (Pierce County and King County)
1
Wyoming
2
York County
1