PETROGLYPHS PROVINCIAL PARK by BARNEY MOORHOUSE The Peterboro Petroglyphs (petro= rock, glyph= carving) are a remarkable collection of 900+ ancient images depicting turtles, snakes, birds, humans and other images carved into crystalline limestone. Allegedly, it is the largest known concentration of Aboriginal rock carvings in Canada.  Apparently the Algonkian people carved them from 900 to […]