Southern Heritage Bank is currently celebrating 44 years of service to residents of Lasalle, Catahoula and Rapides Parishes! The Olla State Bank was established in 1906 and was purchased by Jonesville Bank in October 1989. LaSalle State Bank was established in 1925 in Jena and was purchased by Jonesville Bank & Trust Co. in September 1989. Jonesville Bank & Trust Co. was established in Jonesville in 1972 and opened another branch in Harrisonburg in 1985.