Utah mine: Timeline of events
Boston.com
Thursday, Aug. 16: Oxygen levels in third chamber enough to support life but video shows no signs of miners. A disastrous cave-in Thursday night killed three rescuers. Mine co-owner Bob Murray announced the plan to drill a fourth hole after picking up sounds beneath the surface of the mine.

Thursday, Aug. 16:

Oxygen levels in third chamber enough to support life but video shows no signs of miners. A disastrous cave-in Thursday night killed three rescuers.


Mine co-owner Bob Murray announced the plan to drill a fourth hole after picking up sounds beneath the surface of the mine.
(Photo by Justin Sullivan/Getty Images)