For now, excavating trumps blasting on Mississippi River

Tuesday, December 18, 2012 | 4:16 p.m. CST; updated 5:35 p.m. CST, Tuesday, December 18, 2012

THEBES, Ill. — The Army Corps of Engineers is delaying the use of explosives to blast away treacherous rock pinnacles on the Mississippi River in southern Illinois because crews are having so much success removing the rocks with excavating machinery, officials said Tuesday.

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