Small unsteady spoil banks/ levees can be built up to form a 'bowl' shape. Then with the help of dredges, soil can be pumped in and marsh grasses planted. Once the marsh grasses build up, levees will begin to collapse creating a new vegetated marsh area.
Worden is a village in Madison County, Illinois, United States.
The data for Madison county, IL may also contain data for the following areas: Dorsey, Worden, Roxana, Cottage Hills, Highland, Moro, Alhambra, Hamel, Venice, Godfrey, Prairietown, Alton, Maryville, Troy, East Alton, Glen Carbon, Glen, Saint Jacob, Pontoon Beach, Wood River, Marine, South Roxana, Grantfork, Madison, Bethalto, Livingston, Collinsville, Hartford, Granite City, Mitchell, New Douglas, Edwardsville