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- A water-bearing stratum of permeable rock, sand, or gravel. A water-bearing formation that provides a ground water reservoir. Underground water-bearing geologic formation or structure. A geologic formation, group of formations, or part of a formation that stores and transmits water and yields significant quantities of water to wells and springs. A natural underground layer of porous, water-bearing materials (sand, gravel) usually capable of yielding a large amount or supply of water.
Bureau of Reclamation - Cite This Source - This Definition
- Cairn, French drain, Ply, Thermal stratification, Vein
- In hydrologic terms, permeable layers of underground rock, or sand that hold or transmit groundwater below the water table that will yield water to a well in sufficient quantities to produce water for beneficial use.
NOAA National Weather Service - Cite This Source - This Definition
- Aquiclude, Aquifuge, Fountainhead, Isobath, Specific Yield, Sustained Overdraft