Region
Colorado
106
Garfield County
11
Delta County
8
Douglas County
6
Montrose County
6
Rio Blanco County
6
Eagle County
5
El Paso County
5
Gunnison County
5
Boulder County
4
Chaffee County
4
La Plata County
4
Mesa County
4
Costilla County
3
Park County
3
Teller County
3
Adams County
2
Fremont County
2
Front Range (Colo. and Wyo.)
2
Idaho Springs
2
Routt County
2
Waunita Hot Springs (Colo.)
2
Weld County
2
Archuleta County
1
Arkansas River Valley
1
Canon City
1
Denver Basin
1
Elbert County
1
Fruitland Formation (Colo. and N.M.)
1
Glenwood Springs
1
Glenwood Springs Region
1
Hartsel
1
Hot Sulphur Springs
1
Las Animas County
1
Moffat County
1
Park County (Colo.)
1
Piceance Creek Basin
1
Pitkin County
1
Routt County (Colo.)
1
San Juan River Watershed (Colo.-Utah)
1
San Luis Creek Valley
1
San Luis Creek Valley (Colo.)
1
Steamboat Springs
1
Steamboat-Routt Hot Springs area
1
Summit County
1
Summit County (Colo.)
1
United States
1