MARTHA LANGFORD Mrs. Martha B. Langford,62, of 3607-D Bob Wallace Ave., died Thursday at her residence. The funeral will be Saturday at 2 P.M. at Laughlin Service Funeral Home. Burial will be in Huntsville Memory Gardens. Survivors include her husband, William J. Langford; a son, Billjoe Langford of Nashville; five daughters, Melanie Cantrell of Arab, Ellen Bradley of Arab, Joanne Earls of Hazel Green, Vickie Davis of Grant and Tina Holloway of Harvest; two sisters Edith Bryan of Durham, N.C., and Elfrieda Barth of West Germany; and eight grandchildren. Visitation will be after 3 P.m.at the funeral home.