Post published:September 30, 2018 Post category:Glossary A deposit of sand or mud built up along, and sloping away from, either side of the floodplain of a river or stream. (http://dictionary.reference.com/browse/natural+levee)Similar Posts: Tags: Glossary, N Read more articles Previous PostNational Geodetic Vertical Datum (NGVD) of 1929Next PostNon-Structural Features