It's 100 to 140 metres, but I'm not sure about the exact number.
On October 19th, 2006. See this statement in context.
On October 19th, 2006. See this statement in context.
October 19th, 2006 / 4:25 p.m.
Director General, Department of Natural Resources, CANMET Energy Technology Centre (CETC) - Devon
It's 100 to 140 metres, but I'm not sure about the exact number.
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