In Nashville at the National Stone, Sand and Gravel Association’s annual convention, Assistant Secretary of Labor for Mine Safety and Health Joseph A. Main highlighted the measurable improvements that have taken place in mine safety and health in the past five years.
Read MoreTag: Joseph Main
Main Addresses NSSGA Convention
Joseph A. Main, Assistant Secretary of Labor for Mine Safety and Health, on March 16 addressed the National Sand, Stone and Gravel Association’s 2015 Convention in Baltimore.
Read More