The Port of Detroit is located along the west side of the Detroit River, and is the largest inland port in the state of Michigan. The port is overseen by the Detroit/Wayne County Port Authority, a five-member board of directors appointed by the State of Michigan, Wayne County, and the City of Detroit. The authority coordinates river commerce on the waters and shoreline of Wayne County. The port consists of multiple marine terminals handling general, liquid, and bulk cargo as well as passengers. The Port of Detroit's single most valuable commodity is steel, and the largest commodity handled by tonnage is ore. Other important commodities handled at the port include stone, coal and cement.