Welcome to Greenlee County Library System Upcoming Events Jan 13 5:00 PM – 6:30 PM GCLS Library Board meeting. Meeting Location: Clifton Public Library. Mar 10 5:00 PM – 6:30 PM GCLS Library Board meeting. Meeting Location: Duncan Public Library. May 12 5:00 PM – 6:30 PM GCLS Library Board meeting. Meeting Location: Clifton Public Library. View Calendar