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.
Savanna is located in Carroll County, IL. The population is 2,967, making Savanna the largest city in Carroll County. There are 2 public schools in Savanna with an average Homefacts rating of C+. The total crime rate for Savanna is moderate, and there are 8 registered sex offenders residing in the city.