Ohio Drilling & Blasting Conference a Success

摘要

The Ohio Drilling & Blasting Conference was held from March 20-21, at the DoubleTree by Hilton Hotel in Columbus, Ohio. The conference was sponsored by the International Society of Explosives Engineers (ISEE), the Ohio Aggregates & Industrial Minerals Association (OAIMA) and Ohio Coal Association and endorsed by the Ohio Department of Natural Resources, Division of Mineral Resources Management.