Place
United States
24
Mexico
22
Canada
20
North America
12
New Mexico
10
Australia
7
Chile
5
China
5
Colorado
5
Africa
3
California
3
Gulf of Mexico
3
Alberta
2
Arizona
2
Columbia
2
Iceland
2
Iran
2
Manitoba
2
Middle East
2
San Juan Basin
2
Alaska
1
Appalachians
1
Arctic Ocean
1
Argentina
1
Atlantic Ocean
1
Central America
1
Congresses
1
Ecuador
1
Eurasia
1
Europe
1
France
1
Germany
1
Greenland
1
Hawaii
1
Illinois
1
India
1
Indonesia
1
Iraq
1
Ireland
1
Israƫl
1
Japan
1
Korea
1
Louisiana
1
Maine
1
Massachusetts
1
Mediterranean Countries
1
Mexico, Gulf of
1
New Brunswick
1
New Guinea
1
New Zealand
1
more ...