DuBois Regional Airport, formerly DuBois-Jefferson County Airport, in Pennsylvania, United States (FAA: DUJ)
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Jefferson County International Airport in Jefferson County, Washington, United States (FAA: 0S9)
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Rocky Mountain Metropolitan Airport, formerly Jefferson County Airport, in Colorado, United States (FAA: BJC)
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Jefferson County Airpark in Jefferson County, Ohio, United States (FAA: 2G2)
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