{"thcode":3,"term":{"code":618,"name":"levees","parent":526,"scope":"Artificial embankments built along the bank of a watercourse or an arm of the sea, to protect land from inundation or to confine streamflow to its channel. [Glossary of Geology, 4th ed.]"},"uf":[{"name":"berms","usewith":false},{"name":"dikes  (manmade)","usewith":false},{"name":"embankments","usewith":false},{"name":"revetments","usewith":false}],"bt":[{"code":526,"name":"hydrographic structures","parent":643,"scope":"For constructed bodies of water. For natural water bodies, use 'hydrographic features'."},{"code":643,"name":"manmade features","parent":1,"scope":null},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":84,"name":"banks (hydrographic)","parent":816,"scope":"Sloping margins of, or the ground bordering, a stream, and serving to confine the water to the natural channel during the normal course of flow. [Glossary of Geology, 4th ed.]"},{"code":138,"name":"breakwaters","parent":526,"scope":"Structures built to break the force of waves or to restrain or direct current so as to protect a breach, harbor, or other waterfront facility. [USGS Circ 1048]"},{"code":299,"name":"dam sites","parent":526,"scope":"Areas including a dam and associated structures functioning to control the flow or raise the level of water. [USGS Circ 1048]"},{"code":818,"name":"piers","parent":526,"scope":"Structures used to protect a harbor or shore, and serving also as a promenade or as landing places for vessels. [Glossary of Geology, 4th ed.]"}]}