{"thcode":3,"term":{"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]"},"uf":[{"name":"dams","usewith":false},{"name":"spillways","usewith":false},{"name":"sub-surface dams","usewith":false},{"name":"weirs","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":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.]"}]}