Iron Mountain is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

in southwestern St. Francois County,

Missouri Missouri (''see #Etymology and pronunciation, pronunciation'') is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it border ...

, United States. It is located approximately six miles south of Bismarck.The town was needed in the civil war. because of its pure iron, it was pure enough to turn into a cannon. The community was founded in 1836 as a mining site and it was named for nearby Iron Mountain, once thought to be made completely of

iron ore Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the f ...

. A post office called Iron Mountain was established in 1846, and remained in operation until 1978. The railroad history of the area runs deep, as the railways were key to the distribution of the minerals being mined. The Iron Mountain and Southern Railway was prominent during the development of the Iron Mountain community in the 19th century.

References

Unincorporated communities in St. Francois County, Missouri Unincorporated communities in Missouri {{StFrancoisCountyMO-geo-stub ar:آيرن ماونتين، ميزوري