CLAYTON COUNTY - The growing demand for frac sand - mined primarily in Wisconsin and Minnesota but also in northeast Iowa - threatens human health, the environment and local economies, according to a ...
This is a nice outcropping." Whether it is suitable fracking sand remains to be seen; tests by the state for size, roundness and strength of sand particles will show that. In coming weeks, Marshall ...
• Frac sand mining destroys the soil. Reclamation will never restore affected sites to productive farmland because topsoil requires hundreds of years to form. Sand mining affects water quality, sand ...
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