Shale is “saving shipbuilding at the 213-year-old Philadelph aspwv2014-05-30T00:00:00-04:00May 30th, 2014|Twitter| Shale is “saving shipbuilding at the 213-year-old Philadelphia Navy Yard.” http://t.co/MU3FFbALYx via @BloombergNews http://t.co/e7zLlYhBd9 Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail