{"thcode":3,"term":{"code":342,"name":"dunes","parent":816,"scope":"Low mounds, ridges, banks, or hills of loose, wind-blown granular material, either bare or covered with vegetation, capable of movement from place to place but always retaining their characteristic shape. [Adapted from Glossary of Geology, 4th ed.]"},"uf":[{"name":"interdune troughs","usewith":false},{"name":"sandy areas","usewith":false}],"bt":[{"code":816,"name":"physiographic features","parent":1,"scope":null},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":102,"name":"beaches","parent":816,"scope":"Sloping shores along a body of water that is washed by waves or tides and is usually covered by sand or gravel. [USGS GNIS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"},{"code":311,"name":"deserts","parent":112,"scope":"Regions rendered barren or partially barren by environmental extremes, especially by low rainfall. [USGS Circ 1048]"}]}