Region
United States
36
Colorado
33
Washington (State)
19
Florida
16
California
15
Wyoming
12
Illinois
11
Minnesota
10
Kansas
9
New York (State)
9
Massachusetts
8
Montana
7
Oregon
7
Arizona
6
Maine
6
New Mexico
6
South Dakota
6
Denver
5
Hawaii
5
Louisiana
5
North Dakota
5
Pennsylvania
5
Texas
5
Virginia
5
Missouri
4
Missouri River Watershed
4
Oahu
4
South Cascade Glacier
4
South Cascade Glacier (Wash.)
4
Tennessee
4
West Virginia
4
Wisconsin
4
Colorado River Watershed (Colo.-Mexico)
3
East Baton Rouge Parish
3
Fresno Region
3
Georgia
3
Guam
3
Irondequoit Creek Watershed
3
Johnson County
3
King County
3
Puerto Rico
3
Snohomish County
3
Utah
3
Alaska
2
Anoka County
2
Arkansas
2
Aroostook County
2
Ballard Fork Watershed
2
Broward County
2
Carbon County
2
more ...