- Arizona: Douglas, Nogales, Tucson, and Yuma.
- Colorado: Alamosa, Durango, Grand Junction, Lamar, Pagosa Springs, and Parachute.
- Montana: A portion of Jefferson County south of Helena.
- Nevada: Pahrump.
- New Mexico: Anthony, Chaparral, Deming, Las Cruces, and Sunland Park.
- Oklahoma: Tulsa.
- Utah: Salt Lake and Utah Counties.
- Wyoming: A portion of Sweetwater County near Point of Rocks.
Wednesday, November 02, 2011
Enviros Target Dusty Skies in Eight Western States
The states listed are: