Engineers dredged 500,000 cubic yards of sand from the Mississippi River and used it to build seven islands; six years later, the $25 million McGregor Lake project has restored 270 acres of aquatic habitat and protected 22 acres of wetlands
For years, sand dredged from the Mississippi River was removed to keep one of America’s most important waterways navigable. At one restoration site, engineers found another use for that material, building islands. The US Army Corps of Engineers has completed a $25 million habitat restoration project at McGregor Lake in Wisconsin, where about 500,000 cubic…
