Merger Consist A heritage consist, BNSF style, comes to a stop on the Spanish Peaks Subdivision as the local is about to switch the newest customer located in southern Pueblo, the Rocla Concrete Tie plant. Less than a year old, this plant joins the Vestas Towers America, Inc wind tower plant as well as the massive GCC Rio Grande cement plant who also call this location home and utilize the railroad to ship out their finished products.