The city of Atlanta, Georgia, in Fulton County, was an important rail and commercial center during the American Civil War. Although relatively small in population, the city became a critical point of contention during the Atlanta Campaign in 1864 when a powerful Union army approached from Union-held Tennessee.
Rare-earth compounds containing lanthanum are extensively used in carbon lighting applications, especially by the motion picture industry for studio lighting and projection.
Natural abundance. Vanadium is found in about 65 different minerals including vanadinite, carnotite and patronite. It is also found in phosphate rock, certain iron ores and some crude oils in the form of organic complexes. Vanadium metal is obtained by reducing vanadium(V) oxide with calcium in a pressure vessel.