800 ft for piston aircraft, and 1500 ftfor for jet aircraft.
Cold temperature restricted airport. Altitude correction required at or below -34C/-29F.
Several large cracks and vegetative growth.
Rising ground +6 feet.
When air traffic control tower closed HIRL runways 15/33 and 09/27 and MIRL runway 18/36 preset low intensity; to incr intensity and activate MALSR runways 09, 33; REIL runways 18;36,15,33 and 27, and taxiway lights - CTAF.