WELLINGTON, Utah, Nov. 3, 2011 /PRNewswire/ -- The Canyon Fuel subsidiary of Arch Coal, Inc.

WELLINGTON, Utah, Sept. 9 /PRNewswire/ -- Arch Coal's Canyon Fuel Company subsidiary today announced that its Dugout Canyon mine in Carbon County, Utah, has restarted its longwall mining system and is in the process of resuming production.

WELLINGTON, Utah May 3 /PRNewswire-FirstCall/ -- Arch Coal's Canyon Fuel Company subsidiary announced that it temporarily suspended production at its Dugout Canyon mine in Carbon County, Utah, on April 29 after a small increase in carbon monoxide levels was detected in a mined-out area that was in the process of being sealed.

Sufco, Skyline and Dugout Canyon Mines Recognized by Utah Division of Oil, Gas and Mining on Earth Day 2009 SALT LAKE CITY, April 22 /PRNewswire-FirstCall/ -- Arch Coal, Inc.