Gravel Pit Restoration: Biodiverse Wetlands for Wildlife Protection
Gravel and sand are valuable construction materials. High transportation costs mean that they must be mined near where they are going to be used. Because these materials are so abundant along riverbeds and lakeshores, gravel pits and sand quarries are common throughout America’s watersheds. Loading concrete sand at the quarry. Photo by bedforal (Flickr). Unlike […]