This cross-section of a white oak tree dating back to the mid 1600s hangs in the new Indigenous learning space at Western University. It measures 9 feet (2.7 metres) across. (Kate Dubinski/CBC ...

State Forestor Jeff Goerndt says it’s a cross section of a white oak tree. “It’s about 442 years old — so it’s really a piece of natural history that we are able to hold onto,” Goerndt ...

White oak, which is native to southern Ontario ... t much growth at all and the tree was really struggling." The tree cross-section challenges perceptions of time and different events, Poeta ...