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danni ogilvie

Teaching

An older more experienced miner showing how to 'read the ground' - looking for movements in the rocks to plan & prevent bad cave-ins.

362 views
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2 comments
Uploaded on November 5, 2012
Taken on October 9, 2012

Teaching

An older more experienced miner showing how to 'read the ground' - looking for movements in the rocks to plan & prevent bad cave-ins.

362 views
0 faves
2 comments
Uploaded on November 5, 2012
Taken on October 9, 2012
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