History of Cornish Mining - Cornish Mining the Raise - Drilling

Film trip to Holmans Test Mine run by CSM Camborne School of Mines. Mark Kazmarek drills a raise towards a sub level that will have a dog leg. 303 Holman drill on jack/air leg. First in series on Cornish Mining and will included the blasting of this round.

Видео History of Cornish Mining - Cornish Mining the Raise - Drilling канала Gary Parrott