{"thcode":62,"term":{"code":"GC-241","name":"Drilling (Oil and Gas) Rig","parent":"GC-217","scope":"Geoform: Large structures built to house workers and machinery needed to drill wells in the ocean bed in order to extract oil or other natural resources. ..."},"uf":[],"bt":[{"code":"GC-217","name":"Anthropogenic","parent":"GC-C052","scope":"Geoform Origin: In many coastal and deep oceans, artificial structures (such as piers, breakwaters, bulkheads, berms, drilling rigs, and artificial reefs) are a significant part of the environment. ..."},{"code":"GC-C052","name":"Geoform (levels 1 and 2 subcomponents)","parent":"GC-C005","scope":null},{"code":"GC-C005","name":"Geoform","parent":"root","scope":null},{"code":"root","name":"CMECS","parent":null,"scope":"Coastal and Marine Ecological Classification Standard: Category terms encompassing waters from the head of tide or inland incursion of ocean salinity to the splash zone of the coasts to the deepest portions of the oceans and the deep waters of the Great Lakes."}],"nt":[],"rt":[]}