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Estimating direct costs of development in a block caving mine
| Author: | Eilertsen, Nils A. |
|---|---|
| Year: | 1975 |
| Document Type: | USBI |
| Issuing Agency: | Bureau of Mines, |
| SUDOC: | I 28.27:8673 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8673 |
| Subject: | Mining engineering--Costs |
| Link: | https://hdl.handle.net/2027/mdp.39015078462804 |
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