The Puget Sound Antique Tractor & Machinery Association (PSATMA) hosts its annual Vintage Farming Days from July 31st-August 3rd at Berthusen Park in Lynden. Show hours are 7am-7pm Wednesday through Friday, and 7am-5pm Saturday. The four day event includes threshing, sawmill demos, a swap meet, gas engines, tractor pulling, antique vehicles, corn grinding, steam engines, activities for kids, blacksmithing and more. Entry is $3-$8.