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.
Port Byron, Illinois (population 1,535) is located on the panhandle of Rock Island County in Northwestern Illinois along the mighty Mississippi River and on the Great River Road, Illinois Route 84. The village was founded in 1836 and once had a junior college near the turn of the century that had dormatories.