| 1. | In 1970, operations were changed to a system that combines solution mining and solar evaporation.
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| 2. | This is done by the process of solution mining.
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| 3. | The wet technique known as solution mining is used to access potash at greater depths.
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| 4. | Salt is extracted from underground beds either by mining or by solution mining using water to dissolve the salt.
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| 5. | In solution mining the salt reaches the surface as brine, from which the water is evaporated leaving salt crystals.
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| 6. | The underground mine was flooded in 1987 and was reactivated for commercial production as a solution mine in 1989.
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| 7. | Solution mining would move progressively from north to south, with remediation following mining as each orebody is mined out.
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| 8. | Class III wells are used for the injection of fluids used in mineral solution mining beneath underground sources of drinking water.
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| 9. | This is also called the N . Y . Oil, Gas, and Solution Mining Law, which includes permitting, fees, and related laws.
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| 10. | Solar evaporation has both a shorter set up time as well as a lower capital expenditure cost, than conventional and solution mining.
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