The need for aggregate puts the GTA between a rock and a hard place

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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.

http://www.theglobeandmail.com/news/national/toronto/globe-to/the-need-for-aggregate-puts-the-gta-between-a-rock-and-a-hard-place/article2266761/?utm_medium=Feeds%3A%20RSS%2FAtom&utm_source=Home&utm_content=2266761

Posted in "The Globe and Mail", December 10, 2011

By Renata D'Aliesio