Region
United States
98
Colorado
88
Florida
27
Louisiana
10
California
9
Maryland
8
North Dakota
7
Rocky Mountains
7
Alaska
6
Missouri
6
Maine
5
New Hampshire
5
Ohio
5
Pennsylvania
5
South Dakota
5
West (U.S.)
5
Wisconsin
5
Aberdeen Proving Ground
4
Oregon
4
South Carolina
4
Tennessee
4
Cottonwood Lake (Stutsman County)
3
Everglades National Park
3
Grand County
3
Iowa
3
Massachusetts
3
Nebraska
3
New York (State)
3
North America
3
Puerto Rico
3
Texas
3
Utah
3
Washington (State)
3
Wayne National Forest
3
Atlantic Coast (U.S.)
2
Delavan, Lake, Region
2
Delaware
2
Denver
2
Eagle County
2
Everglades National Park (Fla.)
2
Garfield County
2
Georgia
2
Gilpin County
2
Gulf Coast
2
Gulf Coast (U.S.)
2
Madison Wetland Management District
2
Madison Wetland Management District (S.D.)
2
Miami-Dade County
2
Michigan
2
Michigan, Lake
2
more ...