Hayden A Twentymile coal miner injured in an accident at the underground mine Tuesday remained in critical condition Friday at Denver Health Medical Center.
Kyle Webb, 25, suffered a serious head injury and numerous internal injuries when he was struck in the head by falling rocks and then fell to floor of the mine shaft.
Doctors are monitoring the swelling of Webb's brain and their main focus is his head injury.
Mine Safety and Health Administration officials are investigating the cause of the accident, which occurred Tuesday afternoon at Twentymile Coal Co.
Mine officials say Webb fell 30 to 40 feet off a ladder while working on a clogged bin full of rocks. Webb reportedly was knocked from the ladder and rocks hit him on the head after he fell to the ground.
Webb, who is married, lives in Hayden and has worked at Twentymile since March of 1996.