Shelters: The Boone County 4-H Fairgrounds features two covered shelters that are great for family reunions, picnics, trade show social areas, concession areas for shows and catered events. Ag Ed Shelter: 2400 square foot shelter house with electricity and water close by. This building would be great for any family picnic. Picnic Shelter: This is a 3900 square foot barn with all 4 sides open, great for any family picnic.