Region
United States
829
Colorado
81
Canada
16
West (U.S.)
16
Great Britain
12
California
10
Wyoming
10
Grand Junction
9
Mesa County (Colo.)
7
New Mexico
7
Washington (D.C.)
7
Grand Junction (Colo.)
6
Southwest, New
6
Utah
6
Arizona
5
Hawaii
5
Latin America
5
Southern States
5
Atlantic Coast (U.S.)
4
Australia
4
China
4
Europe
4
New York (State)
4
Oregon
4
Pacific Area
4
Soviet Union
4
Asia
3
Asia, Eastern
3
Colorado Springs (Colo.)
3
Developing countries
3
Great Lakes (North America)
3
Illinois
3
Indiana
3
Iraq
3
Louisiana
3
Middle East
3
Pacific Coast (U.S.)
3
Pennsylvania
3
Rocky Mountains
3
Virginia
3
Yellowstone National Park
3
Alaska
2
America
2
Arab countries
2
British Columbia
2
Chicago Metropolitan Area
2
Denver
2
Denver (Colo.)
2
Germany
2
Great Plains
2
more ...