Array ( [0] => Portland [1] => Chicago [2] => Houston [3] => Columbus [4] => Salt Lake City [5] => Tulsa [6] => Dallas [7] => Memphis [8] => Nashville [9] => St. Paul [10] => Atlanta [11] => Pittsburgh [12] => Birmingham [13] => Boise [14] => Phoenix [15] => Harrisburg [16] => Milwaukee [17] => Louisville [18] => Omaha [19] => Denver [20] => Kansas City [21] => Oklahoma City [22] => Amarillo [23] => Rochester [24] => Albuquerque [25] => Bend [26] => Des Moines [27] => Eugene [28] => Flagstaff [29] => Pocatello [30] => Syracuse [31] => Wichita )