Thanks to shale, Pa.’s building trades union members have op aspwv2015-08-17T00:00:00-04:00August 17th, 2015|Twitter| Thanks to shale, Pa.’s building trades union members have opportunities for good work with “family-supporting” wages. http://t.co/iXmFR6AUht Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail