Midnight 26
A sensible post
mining engineer, or economic geologist, or just a careful intelligent investor?
Your pit design is useful.
How deep do you estimate that the final pit can go without the stopes collapsing, or the overburden becoming do great to economically extract the ore without having to go underground to mine the ore shown at the left hand base of your diagram?
Ann: Makabingui Gold Project Update, page-6
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