Keywords: Joseph Main, speaks before the Committee on Education and the Work Force (17058597928).jpg Joseph Main Assistant Secretary Mine Safety and Health U S Dept of Labor speaks before the Committee on Education and the Work Force at the House Rayburn Building April 23 2015 Official Department of Labor Photograph Photographs taken by the federal government are generally part of the public domain and may be used copied and distributed without permission Unless otherwise noted photos posted here may be used without the prior permission of the U S Department of Labor Such materials however may not be used in a manner that imply any official affiliation with or endorsement of your company website or publication Photo Credit Department of Labor Photo Ken Cedeno https //www flickr com/photos/usdol/17058597928/ Joseph Main speaks before the Committee on Education and the Work Force 2015-04-23 09 16 https //www flickr com/people/52862363 N07 US Department of Labor PD-USGov US Department of Labor https //flickr com/photos/52862363 N07/17058597928 2016-09-06 05 11 36 United States Government Work Rayburn House Office Building Taken with Nikon D810 Joe Main Photographs by Ken Cedeno |