Granite Canyon Quarry is a unique operation where the history and spirit of the west meet the latest technology to shape the future. Located between Cheyenne and Laramie, Wyoming, the quarry supplies ballast stone to two main customers, the Union Pacific and Burlington Northern Santa Fe railroads. In addition to the railroads, material is shipped for commercial projects in Wyoming, Colorado, Kansas and Nebraska.

The plant uses an automatic rail loadout system – combining chutes, bins, conveyor belts and continuously moving trains – to load up to 2,400 tons of material per hour. The theory of an automatic loading system is simple – keep the train moving as underground feeders supply stone to high-speed conveyors that weigh the rock and feed the loadout. The operation is similar to an assembly line.

From the stockpile, ballast material is sent....  read more