Four-paw drive Chad Cadwell travels down Vermillion's Main Street Tuesday Chad Cadwell travels down Vermillion's Main Street Tuesday with the help of his skateboard and his black labrador, Louie. Cadwell, owner and operator of Missouri River Expeditions LLC, likely prefers traveling on the Missouri River rather than on dry land. Cadwell, of Vermillion, has helped guide hundreds of people down the Missouri and hopes to continue that activity the rest of his life. He also plans to open a store in Ponca, NE, where he will sell custom-made kayaks and canoes. Find out more about Cadwell and his expedition business on the Internet at www.missriverexp.com.