Spring Equinox Tour

Old Pueblo Archaeology Center’s “Spring Equinox Tour of Los Morteros and Picture Rocks Petroglyphs Archaeology Sites” with Allen Dart will be held on March 20 from 8 a.m. to Noon.  Group will depart near Silverbell Rd. and Linda Vista Blvd. in Marana.  Requested donation of $25.  The site includes a Hohokam ball court, bedrock mortars and ancient petroglyphs dating between AD 650 and 1450.  An equinox calendar petroglyph at the site exhibits a specific interaction with a ray of sunlight on the morning of each equinox regardless of the hour and minute of the actual celestial equinox.  Reservations and donation prepayment are required by 5 p.m. Tuesday, March 19.  Call 520-798-1201