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.
Caledonia: State: IL [Illinois] Counties: BOONE, IL WINNEBAGO, IL: Multi County: Yes: City Alias(es): Caledonia Argyle: Area Code: 815: City Type: P [Post Office] Classification: [Non-Unique] Time Zone: Central (GMT -06:00) Observes Day Light Savings: Yes: Latitude: 42.396292: Longitude:-88.928388: Elevation: 783 ft: State FIPS: 17: County FIPS: 007: Region: Midwest: Division: