Region
Alaska
6
Washington (State)
6
Illinois
5
United States
5
Arizona
4
Ohio
4
Arkansas
3
Idaho
3
Mississippi
3
Missouri
3
Nevada
3
New Mexico
3
Pennsylvania
3
Texas
3
Utah
3
Wyoming
3
Alabama
2
California
2
Colorado
2
Connecticut
2
Georgia
2
Iowa
2
Kansas
2
Kentucky
2
Louisiana
2
Maine
2
Minnesota
2
Montana
2
Nebraska
2
New York (State)
2
North Carolina
2
North Dakota
2
Seward Peninsula
2
South Dakota
2
Tennessee
2
Virginia
2
West Virginia
2
Wisconsin
2
Carnegie Quadrangle
1
Delaware
1
Florida
1
Fremont County
1
Hawaii
1
Iliamna Region
1
Indiana
1
Lake City Quadrangle
1
Maryland
1
Michigan
1
Natrona County
1
New Hampshire
1
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