Region
United States
78
Colorado
57
Alaska
3
Moffat County
2
North America
2
Utah
2
Washington (D.C.)
2
Alamosa County
1
Appalachian Region, Southern
1
Argentina
1
Australia
1
Chugach National Forest (Alaska)
1
Conejos County
1
Custer County
1
Egypt
1
Escalante River Valley (Utah)
1
Ethiopia
1
Fremont County
1
Grand County
1
Great Britain
1
Green River Watershed (Wyo.-Utah)
1
Huerfano County
1
Hungary
1
Iron County
1
Kit Carson County
1
La Plata County
1
Littleton
1
Minneapolis Metropolitan Area
1
Minnesota
1
Montana
1
New Mexico
1
North Platte River
1
Park County
1
Red River of the North Watershed
1
Rio Grande County
1
Saint Paul Metropolitan Area
1
Sedgwick County
1
Summit County
1
Teller County
1
Tongass National Forest (Alaska)
1
Valley County
1
Willow Creek
1