RT @TribLIVE: Shell, Horsehead again extend agreement on cra aspwv2013-12-27T00:00:00-05:00December 27th, 2013|Twitter| RT @TribLIVE: Shell, Horsehead again extend agreement on cracker site | TribLIVE http://t.co/juC8j5RBej Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail