Full Cycle 6-meter round narrated
21:13
Gearing in Maclean Bolter
30:03
3 day cycle. Drill cut out from start to finish
16:44
Mining Anthracite at S&J Coal Company
53:44
The Mine Cycle
8:49
When Snooker Player Gets Angry..
33:29
Maclean bolting practices
19:28
Charging Holes
7:52