{"thcode":3,"term":{"code":476,"name":"guts","parent":525,"scope":"Relatively small coastal waterways connecting larger bodies of water or other waterways. [USGS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"},"uf":[],"bt":[{"code":525,"name":"hydrographic features","parent":1,"scope":"For natural bodies of water. For constructed waterways, reservoirs, and such, use 'hydrographic structures'."},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":189,"name":"channels","parent":525,"scope":"(a) Relatively narrow seas or stretches of water between two close landmasses and connecting two larger bodies of water; (b) Deeper parts of a moving body of water (as bays, estuaries, or straits) through which the main current flows or which affords the best passage through an area otherwise too shallow to navigate. [Glossary of Geology, 4th ed.]"},{"code":398,"name":"fjords","parent":100,"scope":"Long narrow  glacially-eroded inlets of the sea, U-shaped and steep-walled, generally several hundred meters deep, between high rocky cliffs or slopes along a mountainous coast. [Adapted from Glossary of Geology, 4th ed.]"},{"code":960,"name":"rivers","parent":1096,"scope":"Natural freshwater surface streams of considerable volume and a permanent or seasonal flow, moving in a definite channel toward a sea, lake, or another river; any large streams, or ones larger than brooks or creeks, such as the trunk stream and larger branches of a drainage system.  [Glossary of Geology, 4th ed.]"},{"code":1096,"name":"streams","parent":525,"scope":"Linear bodies of water flowing on the Earth's surface. [USGS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"},{"code":1236,"name":"wetlands","parent":112,"scope":"Vegetated areas that are inundated or saturated by surface or ground water for a significant part of the year. The vegetation is adapted for life in saturated soil conditions. [USGS Circ 1048]"}]}