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| Nuggets |
| Last Updated: Friday, January 29th, 2010 |
| Featured Article by Alice Blancher |
| February 4, 1950 - Before going into detail on the application of sub-level caving on the Mesabi range, it might be well to go into underground reserves on this range. Although this is predominately an open pit area, it variously has been estimated that fully one-half of the remaining ore will have to be mined by some underground method. A... Get instant access to the rest of this article and all of Skillings.net when you subscribe to Skillings Mining Review today. Already a member? Login here. |
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