WSU Extension > Spokane County > Loading view. There were no results found. There were no results found. Events Northeast Washington Fairgrounds Agriculture & Trade Center Northeast Washington Fairgrounds Agriculture & Trade Center 317 West Astor Ave Colville, WA 99114 United States Get Directions Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file