Region
Colorado
66
California
26
United States
20
Coast Ranges
4
Sierra Nevada (Calif. and Nev.)
4
Cascade Range
3
Florida
3
Iowa
3
Mississippi River Watershed
3
Pennsylvania
3
San Diego
3
East Otter Tail County Soil and Water Conservation District (Minn.)
2
Indiana
2
Long Island
2
Los Angeles County
2
Marion County
2
Minnesota
2
New York (State)
2
Otter Tail County
2
West Virginia
2
Adams County
1
Alamosa County
1
Animas River Watershed (Colo. and N.M.)
1
Antelope Valley
1
Arapahoe County
1
Archuleta County
1
Arizona
1
Baca County
1
Bent County
1
Bitterroot River Valley
1
Black Mesa (Navajo County and Apache County)
1
Boulder County
1
Broomfield
1
Chaffee County
1
Chester County
1
Cheyenne County
1
Chihuahuan Desert
1
Clear Creek County
1
Coachella Valley
1
Colorado River Watershed (Colo.-Mexico)
1
Conejos County
1
Costilla County
1
Crowley County
1
Delta County
1
Denver
1
Dolores County
1
Douglas County
1
Eagle County
1
El Paso County
1
Elbert County
1
more ...