Clare County (80D) is a public-use airport serving Harrison, Michigan, at 1,142 feet above sea level, with CTAF 122.8. Its runways: 09/27 (2,403 × 100 ft, turf); 18/36 (2,978 × 50 ft, asphalt).
This diagram plots every runway from the FAA’s surveyed threshold coordinates, so they sit at true heading and true length — a gift for the pilots, students, instructors and families of 80D.