All over the eastern part of the United States, thousands of small dams block the flow of water in streams and rivers, harkening back to colonial times. Originally constructed for energy and milling operations by settlers or companies, most of the milldams no longer serve human purposes. Now, many of these inactive dams are being removed by government and private agencies—driven by a need or hope of increasing public safety, reducing liability and improving aquatic habitats.... PHYS.ORG · 3 weeks
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