| 11. | Several regional subsurface structures including five sedimentary basins exist under Kansas.
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| 12. | UMMC has 138 licenses to mine and explore subsurface mineral resources.
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| 13. | Subsurface officially runs on Linux, OS X and Microsoft Windows.
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| 14. | In 2000, of nitrogen came from groundwater / subsurface water.
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| 15. | The bones were apparently washed out by subsurface irrigation water.
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| 16. | They were designed to examine the subsurface for signs of water ice.
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| 17. | Drainage, both surface and subsurface, must be properly dealt with.
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| 18. | They also prevent subsurface water from reaching the pavement surface.
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| 19. | Subsurface components typically include the pump, motor, seal and cables.
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| 20. | The area also saw numerous surface and subsurface naval exercises.
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