EVRAZ breaks ground on solar-powered rail mill Construction is officially underway on new long-rail mill at Evraz Rocky Mountain Steel. and last updated 2021-07-14 20:48:57-04 PUEBLO, Colorado â Construction is officially underway on the new long-rail mill at EVRAZ Rocky Mountain Steel in Pueblo. Company executives met with state and local leaders for a groundbreaking ceremony Wednesday morning. Skip Herald, CEO of EVRAZ North America, told reporters the $500 million facility will keep his company competitive with foreign steelmakers. He explained that the new mill will produce rail segments in lengths that are currently only offered by steelmakers in Asian markets.