Coffeyville, Kan., lawyer Tiana McElroy recently closed another office in nearby Sedan, which is the largest city in Chautauqua County with a population of roughly 1,200. Situated halfway between Wichita, Kan., and Tulsa, Okla., Sedan is a popular destination for hunters and is known for having the world’s longest yellow brick road. Its economic base is rooted in cattle, oil and tourism.