Description
THE ore body being worked is about one hundred feet in length by seventy feet in width. A face of about fifteen feet is stoped over the whole level at one operation, this height standing without any timber.
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Author | M Ireland |
ID | P_PROC1905_1912 |
THE ore body being worked is about one hundred feet in length by seventy feet in width. A face of about fifteen feet is stoped over the whole level at one operation, this height standing without any timber.