Alpha Natural Resources Has Announced Another Step Has Been Completed In The Merger Of Contura Energy. According To A Press Release, Contura Filed A Confidential Form S-4 With The U.S. Securities And Exchange Commission. It Will List The New Company On The New York Stock Exchange In Order To Create A Publicly Traded Company. The Two Companies Announced In April They Had Entered Into A Merger Agreement Providing An All Stock Buyout. Both Sides Are Expected To Close Prior To The End Of The Year.