Show frontier airlines to serve vernal on permanent ba basis sis vernl and salt lake city were among 28 western cities approved by a civil aeronautics board examiner to be served by a permanent authority granted frontier airlines other cities to receive airline service under permanent certification fi included grand june tion cortez durango denver pueblo and alamosa alamona colorado A provision was deleted which would prevent frontier from operating nonstop non stop service between salt lake city and rock springs wyo |