Region
Colorado
19
West (U.S.)
4
Grand Junction (Colo.)
3
Rocky Mountains
3
Georgia
2
Southwest, New
2
Arizona
1
De Beque (Colo.)
1
Germany
1
Grand Junction
1
Grand Mesa (Colo.)
1
Italy
1
Mississippi
1
New York (N.Y.)
1
Roan Creek Basin
1
Russia
1
San Juan Mountains (Colo. and N.M.)
1
Siberia (Russia)
1
Steamboat Springs (Colo.)
1
Texas
1
Ukraine
1
Utah
1
Western Slope
1