b'Sears List of Subject HeadingsUnderground water Undersea research stationsUse: GroundwaterUnderprivileged Underwater geologyUse: People with social disabilities Use: Submarine geologyUnderprivileged children Underwater medicineUse: Children with social disabilities Use: Submarine medicineUnderprivileged students Underwater photographyUse: At risk students Dewey: 778.7Use For: Deep-sea photography; SubmarineUndersea engineering photographyUse: Ocean engineering Broader Term(s): PhotographyUndersea exploration Underwater physiologyUse: Underwater exploration Use: Submarine medicineUndersea research stations Underwater research stationsDewey: 551.46 Use: Undersea research stationsUse For: Manned undersea research stations; Underwater swimmingSea laboratories; Submarine Use: Skin divingresearch stations; Underwaterresearch stations Undocumented aliensSee Also: names of special research projects Use: Unauthorized immigrantsand stations, e.g. Sealab project [tobe added as needed] Undocumented immigrantsCanadaBroader Term(s): OceanographyResearch Dewey: 323.6; 325.71; 342.71Underwater exploration Scope Note: Use for materials on foreign-bornNarrower Term(s):Sealab project persons who enter Canada intendingto stay only temporarily, such asUndersea vehicles temporary workers, foreign students,Use: Submersibles etc. materials on persons who enterUnderstanding Canada intending to becomeUse: Intellect permanent residents or citizens areTheory of knowledge entered under Immigrants Canada.Undertakers and undertaking Use For: Illegal aliensCanadaGeographic Note: May subdivide geographically Broader Term(s): NoncitizensCanadaDewey: 363.7; 393 UnemployedUse For: Funeral directors; Morticians Geographic Note: May subdivide geographicallyBroader Term(s): Service industries Dewey: 331.13Underwater diving Use For: Jobless people; Out-of-work peopleUse: Deep diving Broader Term(s): Labor supplyPoorUnderwater drilling (Petroleum) UnemploymentUse: Offshore oil well drilling Narrower Term(s):Food reliefUnderwater exercises Occupational retrainingUse: Aquatic exercises Related Term(s): Domestic economic assistanceTrampsUnderwater exploration UnemploymentGeographic Note: May subdivide geographically Geographic Note: May subdivide geographicallyDewey: 551.46; 627 Dewey: 331.13Use For: Submarine exploration; Undersea Use For: Joblessnessexploration Broader Term(s): EmploymentBroader Term(s): Exploration Labor supplyOceanography Social problemsNarrower Term(s):Buried treasure Narrower Term(s):Employment agenciesDeep diving988'