A chronology of events in the mining accident near Somerset, Pennsylvania:
Wednesday, July 24:
Thursday, July 25:
- 3:30 a.m.
Rescue workers hear tapping from the area where miners are trapped.
- 11:30 a.m.
Tapping heard again.
- 2:30 p.m.
A drill rig large enough to bore a rescue shaft arrives from a West Virginia mine.
- 6 p.m.
Crews begin drilling tunnel to reach miners.
Friday, July 26:
- 2 a.m.
Drill bit becomes stuck in rock about 100 feet down and breaks.
- 11:10 a.m.
Digging with new equipment begins on another shaft about 75 feet from the first.
- 4:45 p.m.
Broken bit is removed from the first rescue tunnel.
- 8 p.m.
Drilling resumes on first rescue shaft.
Saturday, July 27:
- 3 p.m.
Tunnel reaches depth of 224 feet, less than 20 feet from chamber where miners are trapped.
- 7:30 p.m.
Gov. Mark Schweiker announces "We're on the verge."
- 8 p.m.
Drilling in first rescue shaft stopped briefly at 227 feet to fix problem with compressed air drill.
- 10:20 p.m.
Drill in first rescue shaft breaks through into mine chamber 240 feet underground; workers remove equipment used to pump compressed air into the chamber and begin to tap on pipes, listening for response.
- 10:50 p.m.
A line of rescue workers lower a telephone and green light into smaller shaft adjacent to drilling site.
- 11 p.m.
Smiling rescue workers begin to give thumbs-up signs and hug.
- 11:35 p.m.
Gov. Mark Schweiker confirms all nine miners are alive.
Sunday, July 28:
- 1 a.m.
First miner pulled from rescue shaft.
- 2:45 a.m.
All nine miners pulled out alive.
(Copyright 2002 by The Associated Press. All Rights Reserved.)