Region
Colorado
39
Michigan
25
Arizona
21
Montana
19
Wyoming
18
Idaho
16
United States
16
Wisconsin
13
Missouri
11
Kansas
10
Middle West
10
Minnesota
10
New Mexico
8
Brazil
7
Alaska
6
Mexico
5
Nevada
5
North America
5
Texas
5
Yavapai County
5
California
4
Canada
4
Clear Creek County
4
Clearwater County
4
Fremont County
4
Front Range (Colo. and Wyo.)
4
Gila County
4
Gilpin County
4
Gogebic County
4
Idaho Batholith (Idaho and Mont.)
4
Isle Royale
4
Marquette County
4
Pennsylvania
4
Shoshone County
4
Tobacco Root Mountains
4
West (U.S.)
4
Baltic Shield
3
Earth (Planet)
3
Glacier National Park
3
Jefferson County
3
Massachusetts
3
Medicine Bow Mountains (Colo. and Wyo.)
3
New Jersey
3
Ontario
3
Park Range (Colo. and Wyo.)
3
Russia (Federation)
3
Saudi Arabia
3
South Africa
3
South Dakota
3
Superior, Lake
3
more ...