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The need for aggregate puts the GTA between a rock and a hard place
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- Published on Saturday, 10 December 2011 11:59
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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.
Posted in "The Globe and Mail", December 10, 2011
By Renata D'Aliesio