Region
United States
5
États-Unis
4
Great Britain
3
Minnesota
3
Pennsylvania
3
China
2
Eveleth
2
Eveleth (Minn.)
2
Grande-Bretagne
2
Hibbing
2
Hibbing (Minn.)
2
Mesabi Range
2
Mesabi Range (Minn.)
2
Pennsylvanie
2
Saint Louis
2
Saint Louis County
2
Virginia
2
Virginia (Minn.)
2
Amérique du Nord
1
Atlanta (Ga.)
1
Berks County
1
Bitburg-Stahl
1
Canada
1
China (Ost)
1
Chine
1
Developing countries
1
George, Lake
1
Großbritannien
1
Hopewell Furnace National Historic Site
1
Hopewell Furnace National Historic Site (Pa.)
1
Hopewell Furnace National Historic Site (Penns.)
1
Inde
1
Lake Superior
1
North America
1
Ost
1
Pays en voie de développement
1
Philadelphia
1
Schwellenländer
1
Sheffield
1
Superior, Lake
1
Supérieur, Lac
1
Varenna
1
Varenna <1990>
1