{"thcode":3,"term":{"code":1149,"name":"thermal features","parent":525,"scope":"Holes in the Earth's crust from which hot water and steam (geysers), and gases and vapors (fumaroles) are emitted. [Adapted from USGS Circ 1048 and Glossary of Geology, 4th ed.]"},"uf":[{"name":"fumaroles","usewith":false},{"name":"geysers","usewith":false},{"name":"hot springs","usewith":false}],"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":[]}