Region
United States
57
France
5
Washington (D.C.)
4
Confederate States of America
3
États-Unis
3
Great Britain
3
Africa, North
2
Georgia
2
North Carolina
2
Ohio
2
Pennsylvania
2
Anthracite region (Pa.)
1
Communist countries
1
Grande-Bretagne
1
Kansas
1
Libya
1
Louisiana
1
Mad River
1
Massachusetts
1
Mississippi
1
Oklahoma
1
Salem
1
South Carolina
1
Tiber Creek (Washington, D.C.)
1
Tripoli
1
Tripoli (Libya)
1
U.S>
1
Valley Forge (Pa.)
1
Virginia
1
Washington, D.C.
1