| 1. | Ore extraction and purification often utilised washing and settling lagoons, called buddles.
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| 2. | Iron ore extraction has also been an important industry in the area.
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| 3. | From 1633 gunpowder was used both for ore extraction and for driving gangways.
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| 4. | Their main pursuits were agriculture, animal breeding and ore extraction.
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| 5. | It largely replaced all earlier ore extraction processes and is today known as froth flotation.
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| 6. | This has potential for bioleaching in metallic ore extraction.
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| 7. | In the late 19th century, the valley quickly became a major centre for iron ore extraction.
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| 8. | New mines were opened and ore extraction intensified, while agriculture, stock breeding, and commerce flourished in the province.
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| 9. | Ore extraction and processing lead to rapid industrialization in the area, with communities forming around locations like Tikkurila and Kerava.
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| 10. | While serving as governor Maw pushed through reductions in the utility rates and regulations on ore extraction in the state.
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मोबाइल