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Unformatted text preview: b. a boundary between unsaturated bedrock below and saturated bedrock above c. an underground mass of partly saturated rock d. a boundary between saturated rock below and unsaturated rock above 8. Gradients usually decrease downstream in a major river system. a. True b. False 9. When water is pumped from a well, a depression is often produced in the water table. Such a depression is a(n)________. a. Perched water table b. Pumping dimple c. Cone of depression d. Artesian well 10. In some parts of the Floridan aquifer, the limestone has been dissolved away enough to form large underwater caves that are big enough for people to dive in. a. True b. False...
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- Fall '09