Fort Smith (pop. 80,268; met. area pop. 273,170) is the most important manufacturing center in Arkansas and the state's second largest city. Only Little Rock has more people. Fort Smith is a transportation center on the western border of Arkansas. It lies at the foot of the Boston Mountains. Part of its metropolitan area lies in Oklahoma. The Fort Smith area includes coal and natural gas deposits and small farms. National forests lie to the city's north, southwest, and south. Fort Smith factories produce about 100 different products, including foods, furniture, heating and air-conditioning units, home refrigerators, and steel.