Array ( [0] => Salt Lake City [1] => Boise [2] => Cheyenne [3] => Denver [4] => Billings [5] => Fort Collins [6] => Idaho Falls [7] => Albuquerque [8] => Casper [9] => Colorado Springs [10] => Durango [11] => Pocatello [12] => Grand Junction [13] => Helena [14] => Twin Falls [15] => Bayfield [16] => Butte [17] => Missoula )