Region
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Middle Atlantic States
2
Minnesota
3
Modesto
1
Molokai
1
Molokai (Hawaii)
1
Nevada
1
New England
1
New Jersey
3
New Mexico
1
New River Watershed
1
New York (State)
5
New Zealand
1
Nicaragua
2
North America
3
North Carolina
1
North Dakota
2
Ohio
2
Ontario, Lake (N.Y. and Ont.)
1
Oregon
4
Otter Tail County
1
Ozark Mountains
1
Pacific Ocean
1
Palouse River Watershed
1
Palouse River Watershed (Idaho and Wash.)
1
Pasco Basin
1
Pasco Basin (Wash.)
1
Pennsylvania
2
Potomac River Watershed
1
Prince Edward Island
1
Puget Sound
1
Red River of the North Watershed
2
Richland-Chambers Reservoir
1
Richland-Chambers Reservoir (Tex.)
1
Rio Grande City
1
Sacramento River Watershed
1
Saint Clair, Lake, Watershed (Mich. and Ont.)
1
San Joaquin County
1
San Joaquin River Watershed
2
San Joaquin Valley
2
San Luis Valley
1
San Luis Valley (Colo. and N.M.)
1
Sandy River Watershed
1
Sinking Creek Watershed (Hardin-Meade and Breckenridge Counties)
1
Somers Region
1
South Atlantic States
1
Suffolk County
1
Tahoe, Lake, Watershed (Calif. and Nev.)
1
Tennessee
2
Tennessee River Watershed
1
Tennessee, East, Region
1
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