Place
Africa
1
Alberta
1
Australia
1
Bahama Basin
1
Canada
4
Gulf of Mexico
1
Halifax
3
Iran
2
Maritimes Basin
2
New Brunswick
3
New Guinea
1
Newfoundland
3
Newfoundland, offshore
4
North Sea
1
Nova Scotia
4
Nova Scotia, Offshore
5
Pakistan
1
Prince Edward Island
1
Quebec
1
Rocky Mountains
2
United States
5
West Germany
1