Region
United States
3,301
California
128
Mexico, Gulf of
57
Colorado
54
New York (State)
53
Washington (State)
53
Florida
52
China
48
New Jersey
47
Alaska
41
Texas
41
Pennsylvania
39
Great Lakes (North America)
38
Idaho
36
Tennessee
36
Minnesota
32
Georgia
31
Great Britain
28
Michigan
27
Japan
25
Oregon
24
Massachusetts
23
North Carolina
23
Gulf States
22
India
22
Nevada
22
Canada
21
Chesapeake Bay (Md. and Va.)
21
North America
21
Europe
20
Kansas
20
Ohio
20
West Virginia
20
Wisconsin
20
Indiana
19
Idaho National Laboratory Region
17
Mexico
17
Alabama
16
Chesapeake Bay Watershed
16
Connecticut
16
Hawaii
16
Arizona
15
Illinois
15
South Carolina
15
Wyoming
15
Arctic regions
14
Gold King Mine (San Juan County, Colo.)
14
Ukraine
14
Virginia
14
Kentucky
13
more ...