Rock of ages – How drilling work on four Toronto subway projects are tapping into a subterranean GTA history, centuries in the making
While seemingly just a part of needed exploratory and preparatory work on subway routes, the bore holes speak to ancient movements of the Earth, as well as sleuthing faced by experts. To build a modern subway route, sometimes you have to dig back to the Ice Age. Field work for four major subway projects – the Ontario Line, the Yonge North Subway Extension, the Eglinton … Continue reading Rock of ages – How drilling work on four Toronto subway projects are tapping into a subterranean GTA history, centuries in the making
