Region
Colorado
397
United States
203
Alamosa
17
Fort Collins
8
California
6
Afghanistan
5
Iraq
4
Pennsylvania
4
Texas
4
Arkansas
3
Boulder
3
Chicago
3
Illinois
3
Tennessee
3
Washington (State)
3
Alabama
2
Chattanooga
2
Florida
2
Nebraska
2
North Carolina
2
Oklahoma
2
Oklahoma City
2
South Carolina
2
American Samoa
1
Arizona
1
Blue Bell
1
Boston
1
Chesapeake Bay (Md. and Va.)
1
Chesapeake Bay Watershed
1
Connecticut
1
Corpus Christi
1
Denver
1
Detroit
1
Dothan
1
Fresno
1
Hanford Site (Wash.)
1
Hanford Works
1
Houston
1
Indiana
1
Iowa
1
Kansas
1
Los Angeles
1
Louisiana
1
Massachusetts
1
Miami-Dade County
1
Michigan
1
Nevada
1
New Hampshire
1
New Jersey
1
New Mexico
1
more ...