{"thcode":3,"term":{"code":47,"name":"aqueducts","parent":1174,"scope":"Structures designed to transport water from a remote source, usually by gravity. [USGS Circ 1048]"},"uf":[],"bt":[{"code":1174,"name":"transportation features","parent":643,"scope":null},{"code":643,"name":"manmade features","parent":1,"scope":null},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":164,"name":"canals","parent":526,"scope":"Artificial waterways with no flow or a controlled flow used for navigation (canal), or for draining or irrigating land (ditch). [USGS Circ 1048]"}]}