Region
United States
395
Alaska
122
États-Unis
83
Canada
76
Trans-Alaska Pipeline (Alaska)
41
North Dakota
24
Standing Rock Indian Reservation (N.D. and S.D.)
22
Caspian Sea Region
21
Pennsylvania
21
Trans-Alaska Pipeline
20
Middle East
19
Pipeline de l'Alaska (Alaska)
19
Montana
17
Standing Rock Indian Reservation
16
Wyoming
16
Mexico, Gulf of
13
Texas
13
California
12
Prudhoe Bay Region
12
Chad
11
Ecuador
11
Former Soviet republics
11
Cameroon
10
Dakota du Nord
10
Alberta
8
Arctic regions
7
Caucasus
7
Dakota Access Pipeline
7
Europe
7
European Union countries
7
Russia (Federation)
7
South Dakota
7
Californie
6
Gulf of Mexico
6
Louisiana
6
Michigan
6
North America
6
Africa, West
5
Asia, Central
5
Azerbaijan
5
British Columbia
5
Illinois
5
Kalamazoo River
5
Mexico
5
Ohio
5
Prudhoe Bay
5
Saudi Arabia
5
Soviet Union
5
Arctic Regions
4
Canada, Northern
4
more ...