Ohio Drilling and Blasting Conference Highlights

摘要

Columbus, OH USA - The Ohio Drilling and Blasting Conference took place March 30-31, 2011, at the Doubletree Hotel in Columbus, Ohio. Over 170 attended this two-day event co-sponsored by the International Society of Explosives Engineers, Ohio Aggregates & Industrial Minerals Association, and Ohio Coal Association. The program was endorsed by Ohio Department of Natural Resources.