Region
Colorado
3
Columbia River Valley
2
New Mexico
2
Northwest, Pacific
2
Scotland
2
Arizona
1
Boston
1
Boston (Mass.)
1
Brazil
1
Denver
1
Germany
1
Great Britain
1
Iowa
1
Kern River (Calif.)
1
Liberia
1
Massachusetts
1
Mexico
1
Missouri
1
New York (N.Y.)
1
Oklahoma
1
Southern States
1
United States
1
Washington (D.C.)
1
West (U.S.)
1