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.
Marshall County, Illinois (IL) County population in 2014: 12,014 (all rural); it was 13,180 in 2000. County owner-occupied with a mortgage or a loan houses and condos in 2010: 2,331. County owner-occupied free and clear houses and condos in 2010: 1,846. County owner-occupied houses and condos in 2000: 4,188.