The Salt Lake CityOpen-pit miningtimberRocky MountainsspaceSelect your answer supply the natural resources to the entire Mountain States region. Forests provide lumber to the goldSmeltingtimbermineralsapphiresSelect your answer industry. Rivers and streams provide water to the region's cities. The most valuable timbermineralgoldslagsapphiresSelect your answer found in the Rocky Mountains is copper. The Rockies also contain underground mines for metals such as silver, timbermineralRocky MountainsgoldsapphiresSelect your answer, lead, zinc, and uranium. There are also a few gem mines where Salt Lake CityslagSmeltingsapphiresOpen-pit miningSelect your answer are mined. There is even a rich supply of coal.

Open-pit miningslagSmeltingSalt Lake CityspaceSelect your answer is used to remove minerals, such as copper, that are close to the surface of Earth. Open-pit miningSmeltingtimberspacegoldsapphiresSelect your answer is one method used to separate the metal from the rock. The smelting process uses high temperatures to separate pure metals from rock. The waste materials are called Salt Lake CitySmeltinggoldsapphiresmineralslagSelect your answer. The Bingham Canyon Mine near SmeltingSalt Lake CitytimberRocky MountainsOpen-pit miningSelect your answer, Utah is the largest mine in the world. It is one of the few man-made things on Earth that can be seen from slagOpen-pit miningRocky MountainsspaceSalt Lake CitySelect your answer. The main products of this mine are copper, gold, and silver.