sentences:  By 1877 it had almost 200 residents, as well as a Methodist Church, a post office, a mayor, the county fair, a common lodge hall for Masons and Odd Fellows, and a variety of businesses including three stores, two blacksmith shops, two saloons and a billiard hall.There was a race track near the steamboat landing, and a coal mine south of town.Rock Bluff once competed with Plattsmouth to be the county seat of Cass County.