Cause of chopper crash that killed five soughtCOLUMBUS. N.C. (AP) - Marine Corps investigators continued today to seek the cause of a double tielicoptcr crash on Sugar LauJ Mountain Friday as recovery teams labored to remove the wreckage from the remote crash site.The bodies of the five victims were brought out over the weekend, but Marine officials did not make the names available until Sunday!Officials at the New River Marine Air Station at Jacksonville, Nā C . said the dead were Cap I. I^rry Burro. 30, Salem, III., 1,1. Randall Bums, 2fl. Ogden, Utah. CpI John Northcull, 20. I.ubhock, Tex., Pfc. Lueicn LaRue. 19. Arlington HeighLs, III., and Sgt. Charles Morrison. 21. Miltcn, W.VaOne body was hroughl out Friday and I he other four were removed from the crash scene Saturday. Workers had to descend a sheer cliff on ropes and bring up the hrxiics with n winch, a job that took several hours.It was drizzling and. foggy wlxui both CH53 helicopters, called Jolly Green Giants in the military, crashed in a mountainous area south of Chimney Rock.There were three survivors in one of the aircrafts. The copters were reportedly on their way from New River to Knoxville.Tcnn.The survivors of the crash were identified as Lt. Kenneth Wayne Smitcy, '27, Duncanville, Tex v U. John Sitton II, 26. Fairbanks, Alaska, and Sgt. Boyd J. Farrington. 26. Salisbury, Md.All were reported In satisfactory condition Sunday nl St. Luke Hospital alTryon.rx sn