Page:The New International Encyclopædia 1st ed. v. 06.djvu/599

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DUNES


AN EMBRYONIC SAND DUNE, developing on a beach at Chicago, III. The grass which acts as a sand-binder is the Sand Reed (Ammophila). A LIVING SAND DUNE, at Dune Park, Ind., advancing over swamps and forests, destroying almost everything in its path.