| 1. | Where mud is globbed on faces and allowed to dry rock hard.
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| 2. | We pulled the kayaks out of the water and found a dry rock.
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| 3. | Additionally, dry rocks extend almost beyond its northwestern edge.
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| 4. | I think hot dry rock has a better potential.
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| 5. | Hot dry rock, however, exists below the surface everywhere.
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| 6. | Some crews actually rope cell phones down to high and dry rock climbers to get information.
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| 7. | Since water is thought to be essential to life, it's unlikely the dry rock ever contained life.
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| 8. | This approach is called hot dry rock geothermal energy in Europe, or enhanced geothermal systems in North America.
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| 9. | This leg of the trail is characterized by sandstone outcroppings, some of which form natural dry rock shelters.
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| 10. | Heat could be pumped out of the hot, dry rocks or volcanic magma underlying parts of the world.
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