Big River, on which the namesake mill once lay, makes up the city's western boundary, with Highway 30 forming most of its eastern border. The portion along the river is a low floodplain mostly used for agriculture, while most of the population lives on hills just to the east. The city has a total area of 5.26 square miles, and an average elevation of 458 feet.<ref>https://web.archive.org/web/20120125061959/http://www.census.gov/geo/www/gazetteer/files/Gaz_places_national.txt</ref> | Big River, on which the namesake mill once lay, makes up the city's western boundary, with Highway 30 forming most of its eastern border. The portion along the river is a low floodplain mostly used for agriculture, while most of the population lives on hills just to the east. The city has a total area of 5.26 square miles, and an average elevation of 458 feet.<ref>https://web.archive.org/web/20120125061959/http://www.census.gov/geo/www/gazetteer/files/Gaz_places_national.txt</ref> |