sentences:  Rock Bluff was a pioneer crossing on the Missouri River.Settled in 1854 by a German named Benedict Spires, Rock Bluffs became a leading point for equipping freighting outfits to cross the plains during the 1850s.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.