FLAGSTAFF, a city of northern Arizona, U.S.A., at the foot of the San Francisco Peaks, 6,896ft. above sea-level; the county seat of Coconino county. It is on the National Old Trails highway and also Number 89, and on the main line of the Santa Fe railway; and has a municipal airport. The population was 3,891 in 1930. Coconino is the largest county in the United States, more than twice the size of Massachusetts. Nearly 9o% of its 18,623 sq.m. is in national forests, parks, monuments and Indian reservations. It has the largest stand of virgin yellow pine left in the country, and vast deposits of col and oil. On its ranges are 90,00o cattle and 250,000 sheep. Around Flagstaff dry farm ing is a profitable industry, with potatoes for the leading crop. The city has large lumber mills and is headquarters for the Coconino National Forest Service and the seat of the Northern Arizona State teachers college, the Lowell observatory, the South-western experiment station of the forestry service, and a large sanatorium for tubercular children. Within easy reach is an extraordinary variety of interesting places, including Grand Canyon, petrified forests, Painted Desert, Rainbow and Tonto natural bridges, Meteorite mountain, Mormon lake, Montezuma castle. Flagstaff took its name from a lofty pine which served as a pole for the flag by a party of engineers July 4, 1876.