Region
Colorado
41
Arizona
11
Wyoming
11
Montana
10
Park County
7
Gunnison County
5
Kansas
5
Utah
5
California
4
Sangre de Cristo Mountains (Colo. and N.M.)
4
Colorado Plateau
3
Nevada
3
New Mexico
3
Saguache County
3
Uncompahgre Plateau
3
Carbon County
2
Chaffee County
2
Cochise County
2
Custer County
2
Fremont County
2
Hidalgo County
2
Idaho
2
Mesa County
2
Montrose County
2
New York (State)
2
Oklahoma
2
Pima County
2
San Juan County
2
San Juan Mountains (Colo. and N.M.)
2
Teller County
2
Uncompahgre Plateau (Colo.)
2
Albany County
1
Anaconda Range
1
Animas Mining District (Colo.)
1
Atlantic Coast (Canada)
1
Atlantic Coast (U.S.)
1
Beaverhead County
1
Bighorn Basin (Mont. and Wyo.)
1
Boulder County
1
Bradshaw Mountains
1
British Columbia
1
Broadwater County
1
Burlington Mine (Colo.)
1
Canyonlands National Park
1
Champlain Valley
1
Copper Mountain
1
Crazy Mountains
1
Crazy Mountains (Mont.)
1
Crazy Mountains Region
1
Crestone Park Area
1
more ...