Krista Gamble of Big Spring and Blaine Kerby of Big Spring, will exchange wedding vows March 10, 2012. The ceremony will take place at 7 p.m. at The Courtyard in downtown Big Spring. The bride-elect is the daughter of W.Kim and Mary Armstead and Clay Gamble of Big Spring. She is a graduate of Forsan High School and Howard College. She is employed at Englobal at Alon USA. The prospective groom is the son of Cindy and Troy Kerby of Big Spring. He is a graduate of Coahoma High School and Weatherford College. He is employed at IPR/EMS at Alon USA.