Tucsonans are invited to learn about The Sun Dagger that documents the celestial calendar created by ancient North American Indians. These were rediscovered by artist Anna Sofaer near Chaco Canyon
The event will be held on Wednesday, July 20, 2011 at noon and 2:00 p.m. at the Western National Park Association Bookstore, 12880 N. Vistos0 Village Drive, Oro Valley. It is free and open to the public. Reservations are required.
For more information or to make reservations, call 520-622-6014 or go to www.wnpa.org