Region
Florida
12
Louisiana
12
Minnesota
12
New York (State)
11
South Dakota
8
New Hampshire
6
New Mexico
6
Utah
6
Colorado
5
Nebraska
5
New Jersey
5
Connecticut
4
Georgia
4
Kansas
4
Missouri
4
Southern States
4
Wyoming
4
Connecticut River Watershed
3
Illinois
3
South Carolina
3
Washington (State)
3
Arizona
2
Bear Lodge Mountains
2
Beaver County
2
Big Sioux River Watershed (S.D. and Iowa)
2
Black Hills (S.D. and Wyo.)
2
Branson Region
2
Cortland County
2
Durham
2
Floridan Aquifer
2
Fountain Creek Watershed
2
Garden County
2
Hunter Army Airfield
2
Iowa
2
Jackson
2
Little Arkansas River
2
Merrimack River Watershed (N.H. and Mass.)
2
Miami-Dade County
2
Michigan
2
Middle West
2
Milford Region
2
Mississippi Embayment
2
North Carolina
2
North Dakota
2
North Platte River
2
Ohio
2
Oswego County
2
Pine Ridge Region
2
Salem County
2
Salem River Watershed Region (N.J.)
2
more ...