From left: MSHA’s Brian Goepfert and David Zatezalo with OAIMA’s Pat Jacomet. Photo courtesy of OAIMA
From left: MSHA’s Brian Goepfert and David Zatezalo with OAIMA’s Pat Jacomet. Photo courtesy of OAIMA
About the Author: Kevin Yanik
Kevin Yanik is editor-in-chief of Pit & Quarry. He can be reached at 216-706-3724 or kyanik@northcoastmedia.net.Subscribe to Pit & Quarry
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