bob-weldon
Weldon Materials’ Bob Weldon is the new chairman of the National Stone, Sand & Gravel Association. Photo courtesy of NSSGA
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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