ColoradoMining.org
About ColoradoMining.org
The Colorado Mining Association (CMA), established in 1876 and incorporated in 1897, is a trade association whose membership, numbering 88 companies and 700 individuals, is composed of both small and large enterprises engaged in the exploration for, production and refining of, metals, coal, oil shale, and industrial minerals; firms that manufacture and distribute mining and mineral processing equipment and supplies; and other institutions providing services and supplies to the mineral industry.
