Assertion: aquifer's water | /r/HasProperty | located near the land surface
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Source sentences:
text: The description and location of geologic formations and water-bearing zones within the formations can give clues as to whether an aquifer is shallow (water is located near the land surface) or deep (water is located deeper, perhaps greater than 30 meters, or 100 feet), and whether it is made of consolidated or unconsolidated materials.