It comes from Alberta and British Columbia, but other parts of western Canada as well, in smaller amounts.
On April 18th, 2013. See this statement in context.
On April 18th, 2013. See this statement in context.
April 18th, 2013 / 5:10 p.m.
Director General, Petroleum Resources Branch, Energy Sector, Department of Natural Resources
It comes from Alberta and British Columbia, but other parts of western Canada as well, in smaller amounts.
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