Region
United States
29
Utah
2
Arizona
1
California
1
Crystal City
1
Crystal City (Tex.)
1
Hawaii
1
Inyo County
1
Manzanar National Historic Site (Calif.)
1
Medford
1
New Jersey
1
Owens River Valley
1
Pennsylvania
1
Philadelphia
1
San Bruno (Calif.)
1
San Leandro (Calif.)
1
Texas
1
Topaz (Utah)
1
Wyoming
1