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North America - Coeur d'Alene clean-up agreement
North America - Coeur d'Alene clean-up agreement
The north side of the Coeur d'Alene district
Engineering Index Backfile | 1908
|Shaft-sinking practice in Coeur d'Alene
Engineering Index Backfile | 1949
|Coeur d'Alene mining district in 1963
Engineering Index Backfile | 1963
|Mine ventilation in Coeur D'Alene mining district
Engineering Index Backfile | 1931
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