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Geology Soils
Landscapes & Weather
Geology Soils
Soils
The ground beneath our feet is incredibly variable - from solid rock to sand to soft, porous humus teaming with life.
The ground beneath our feet is incredibly variable - from solid rock to sand to soft, porous humus teaming with life.
This NBII site is developed and maintained by the Center for Biological Informatics of the U.S. Geological Survey.
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