2026-04-09T23:21:31+01:0012,437388415https://marinefinds.org.uk/datalabs/terminology/objects/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/objects/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/objects2408100488U Class SubmarineN143N3541138383U SHAPE PLANYA building or structural plan with a U shape.546P652078219UMBER WORKINGSYA place where umber or oxide of iron and manganese, is extracted from an open cast mine.1P1980102533UmboN128N198110253496745UMBRELLAYA folding circular cover on a stick held in the hand for protection against rain.128P11156159244UMBRELLA AND CANE WORKSYA building or complex producing umbrellas, parasols and canes.1P198210253595070UNASSIGNEDNObjects which cannot be assigned to any one particular class, or the function of which is unknown.128P3962143259UNASSIGNEDNThis is the top term for the class. This class includes terms with very broad definitions which could be assigned to three or more classes. See UNASSIGNED Class List for narrow terms.546P529570306UNASSIGNEDN1P600171265Unclassified SiteN1N11671164116UNDERBRIDGEYA bridge crossing under railway property.1P532670344UNDERCROFTYA vault or crypt under a church or chapel. Use wider site type where known.1P3542138385UNDERCROFTYAn underground, or partially underground, vault or crypt beneath a church or other building.546P937693672UNDERGROUND CAR PARKYA car park situated beneath the surface of the ground.1P10588140769UNDERGROUND GOVERNMENT HEADQUARTERSYA secure, bomb-proof, undergound complex designed to be used by the government in the event of a national emergency such as nuclear war. Usually equipped with communications equipment, emergency rations and water and air filtering plants.1P10589140770UNDERGROUND HOSPITALYA hospital which has been built either wholly, or partially, underground in order to protect it from attacks by enemy aircraft.1P673687796UNDERGROUND MILITARY HEADQUARTERSYAn underground bomb-proof structure used as a command centre for military operations.1P9970100217UNDERGROUND MONITORING POSTYA small underground chamber from where it was intended to monitor radioactive fallout in the event of nuclear attack. The majority were built between 1956 and 1964, although construction continued into the early 1970s.1P595071189UNDERGROUND RAILWAYYA railway which runs beneath the surface of the ground, eg. the London Underground Railway.1P606371366UNDERGROUND RAILWAY STATIONYA stopping place on an underground railway system where passengers can board and disembark from a train.1P937793673UNDERGROUND RAILWAY TUNNELYA tunnel carrying a railway beneath the surface of the ground.1P937893674Underground StationN1N539870424UNDERGROUND STRUCTUREYA constructed space beneath the surface of the ground.1P958093892Underground Testing RangeN1N937993675UNDERPASSYA route way which passes underneath the surface of the ground.1P938093676Undershot WaterwheelN1N938193677UNDERSHOT WHEELYA waterwheel where the inflow of water strikes the paddles or floatboards well below the axis of the wheel, ie. the water more or less passes under it.1P3543138386UNDERSHOT WHEELYA waterwheel where the inflow of water strikes the paddles, or floatboards, below the axis of the wheel.546P938293678UndertakersN1N11799167848UNDERWATER DIVING FEATUREYFeature, typically a ship, boat, aircraft or vehicle, deliberately sunk for recreational and diver educational purposes in inland bodies of water used as dive centres, such as lakes and water-filled quarries, or offshore as artificial reefs.1P