Region
United States
561
California
7
Colorado
7
Arizona
4
Aurora
4
Phoenix
4
Michigan
3
North Carolina
3
Philippines
3
Denver
2
France
2
Hawaii
2
Karshi-Khanabad Air Base
2
Karshi-Khanabad Air Base (Uzbekistan)
2
Louisiana
2
Paris
2
Pennsylvania
2
Tomah
2
Uzbekistan
2
Washington (D.C.)
2
Wisconsin
2
Alaska
1
Camp Lejeune
1
Cape Hatteras National Seashore
1
Cape Hatteras National Seashore (N.C.)
1
Danville
1
Delaware River Watershed (N.Y.-Del. and N.J.)
1
Fayetteville
1
Florida
1
Georgia
1
Hot Springs
1
Illinois
1
Indo-Pacific Region
1
Iowa
1
Jackson
1
Los Angeles
1
Maine
1
Manchester
1
Mississippi
1
Nevada
1
New Hampshire
1
New York (State)
1
North America
1
Northport
1
Ohio
1
Oregon
1
Orlando
1
Philadelphia
1
Pittsburgh
1
Puerto Rico
1
more ...