Globe article on mega-quarry
The need for aggregate puts the GTA between a rock and a hard place
By RENATA D’ALIESIO Globe and Mail Dec. 10 2011
Deep beneath vast fields that grow a dozen varieties of potatoes lies a valuable gray rock tinged with light browns and blues. The rock is hard, durable and dense, part of the 400-million-year-old Amabel Formation that once belonged to a warm, shallow sea.
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