Region
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Louisiana
1
Mexico
1
Mexico, Gulf of
1
Michigan
1
Minnesota
1
Mississippi River Delta
1
Mississippi River Delta (La.)
1
Montana
1
Murray River Watershed (N.S.W.-S.A.)
1
Nebraska
1
Nevada National Security Site
1
Olympic Coast National Marine Sanctuary
1
Olympic Coast National Marine Sanctuary (Wash.)
1
Ontario
1
Oregon
1
Outer Banks
1
Outer Banks (N.C.)
1
Pacific Area
1
Pacific Coast (U.S.)
1
Padre Island National Seashore
1
Padre Island National Seashore (Tex.)
1
Palm Springs (Calif.)
1
Platte River Valley
1
Platte River Valley (Neb.)
1
Puget Sound
1
Puget Sound (Wash.)
1
Putumayo (Colombia : Department)
1
Putumayo (Department)
1
Rock Creek Park (Washington, D.C.)
1
Saint Lawrence River Valley
1
San Antonio
1
San Antonio Missions National Historical Park (San Antonio, Tex.)
1
San Francisco
1
San Juan Island National Historical Park
1
San Juan Island National Historical Park (Wash.)
1
San Juan River Valley (Colo.-Utah)
1
Sangre de Cristo Mountains (Colo. and N.M.)
1
Scotland
1
Sitka
1
Sitka National Historical Park (Sitka, Alaska)
1
South Carolina
1
Southern States
1
Soviet Union
1
Stellwagen Bank National Marine Sanctuary
1
Stellwagen Bank National Marine Sanctuary (Mass.)
1
Theodore Roosevelt National Park
1
Theodore Roosevelt National Park (N.D.)
1
Tijuana (Baja California, Mexico)
1
Toronto
1
Toronto (Ont.)
1
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