@prefix owl: . @prefix rdf: . @prefix rdfs: . @prefix xsd: . @prefix dcterms: . @prefix skos: . @prefix qudt: . @prefix usgs: . @prefix geosparql: . # ------------------------------ # Ontology Metadata # ------------------------------ usgs: a owl:Ontology ; owl:versionIRI usgs:Version.1.0.0 ; dcterms:title "U.S. Geological Survey (USGS)"@en ; dcterms:description "This ontology supports USGS features across datasets."@en ; dcterms:license ; dcterms:created "2018-03-01"^^xsd:date . # ------------------------------ # USGS Abstract Feature Types # ------------------------------ usgs:Terrain a owl:Class ; rdfs:subClassOf geosparql:SpatialObject ; rdfs:label "Terrain"@en . usgs:SurfaceWater a owl:Class ; rdfs:subClassOf geosparql:SpatialObject ; rdfs:label "Surface Water"@en . usgs:BuiltUpArea a owl:Class ; rdfs:label "Built Up Area"@en ; rdfs:subClassOf geosparql:SpatialObject ; rdfs:comment "An area of intensive use, with much of the land covered by structures"@en . # ------------------------------ # USGS Classes # ------------------------------ usgs:Airport a owl:Class ; rdfs:label "Airport"@en ; rdfs:comment "A facility, on land, where aircraft can take off and land; usually consists of hard-surfaced landing strips, a control tower, hangars, and accommodations for passengers and cargo"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Arch a owl:Class ; rdfs:label "Arch"@en ; rdfs:comment "A naturally occuring, freestanding curved structure that spans an opening"^^xsd:string , "A curved structure that supports the weight of material over an open space"@en ; rdfs:subClassOf usgs:Terrain, usgs:BuiltUpArea . usgs:Area a owl:Class ; rdfs:label "Area"@en . usgs:Arroyo a owl:Class ; rdfs:label "Arroyo"@en ; rdfs:comment "Watercourse or channel through which water may occasionally flow (coulee, draw, gully, wash)"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Bar a owl:Class ; rdfs:label "Bar"@en ; rdfs:comment "A submerged or emerged mound, ridge, or succession of ridges of sand or other material extending across the bottom,and which may obstruct navigation"@en, "A natural accumulation of sand, gravel, or other material forming an underwater or exposed embankment"@en ; rdfs:subClassOf usgs:Terrain, usgs:BuiltUpArea . usgs:Basin a owl:Class ; rdfs:label "Basin"@en ; rdfs:comment "A bowl-shaped depression in the surface of the land or ocean floor"@en ; rdfs:subClassOf usgs:Terrain, usgs:SurfaceWater . usgs:Bay a owl:Class ; rdfs:label "Bay"@en ; rdfs:comment " water area that is an opening of the sea or ocean into the land, or of an estuary, lake, or river into its shore"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Beach a owl:Class ; rdfs:label "Beach"@en ; rdfs:comment "A gently sloping shore which is washed by waves or tides, especially the parts covered by sand or pebbles"@en ; rdfs:subClassOf usgs:Terrain, usgs:SurfaceWater . usgs:Bench a owl:Class ; rdfs:label "Bench"@en ; rdfs:comment "An area of relatively level land on the flank of an elevation such as a hill, ridge, or mountain where the slope of the land rises on one side and descends on the opposite side (level)"@en ; rdfs:subClassOf usgs:Terrain . usgs:Bend a owl:Class ; rdfs:label "Bend"@en ; rdfs:comment "A curve in the course of a stream or the land within the curve"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Bridge a owl:Class ; rdfs:label "Bridge"@en ; rdfs:comment "A structure erected over a depression or obstacle to carry traffic or some facility such as a pipeline"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Building a owl:Class ; rdfs:label "Building"@en ; rdfs:comment "A permanent walled and roofed construction"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Canal a owl:Class ; rdfs:label "Canal"@en ; rdfs:comment "Manmade waterway used by watercraft or for drainage, irrigation, mining, or water power"@en ; rdfs:subClassOf usgs:BuiltUpArea, usgs:SurfaceWater . usgs:Cape a owl:Class ; rdfs:label "Cape"@en ; rdfs:comment "A relatively extensive land area jutting into a water body, which prominently marks a change in or interrupts notably the coastal trend of that water body"@en ; rdfs:subClassOf usgs:Terrain . usgs:Cemetery a owl:Class ; rdfs:label "Cemetery"@en ; rdfs:comment "A place for burying the dead"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Census a owl:Class ; rdfs:label "Census"@en ; rdfs:comment "A statistical area delineated locally specifically for the tabulation of Census Bureau data"@en ; rdfs:subClassOf usgs:Division . usgs:Channel a owl:Class ; rdfs:label "Channel"@en ; rdfs:comment "Linear deep part of a body of water through which the main volume of water flows and is frequently used as aroute for watercraft (passage, reach, strait, thoroughfare, throughfare)"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Church a owl:Class ; rdfs:label "Church"@en ; rdfs:comment "Building used for religious worship (chapel, mosque, synagogue, tabernacle, temple)."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:CivilGovernment a owl:Class ; rdfs:label "Civil Government"@en . usgs:Cliff a owl:Class ; rdfs:label "Cliff"@en ; rdfs:comment "Very steep or vertical slope"@en ; rdfs:subClassOf usgs:Terrain . usgs:Crater a owl:Class ; rdfs:label "Crater"@en ; rdfs:comment "Circular-shaped depression at the summit of a volcanic cone or one on the surface of the land caused by the impact of a meteorite; a manmade depression caused by an explosion"@en ; rdfs:subClassOf usgs:Terrain, usgs:Basin . usgs:Crossing a owl:Class ; rdfs:label "Crossing"@en ; rdfs:comment "A place where two or more routes of transportation form a junction or intersection"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Dam a owl:Class ; rdfs:label "Dam"@en ; rdfs:comment "Water barrier or embankment built across the course of a stream or into a body of water to control and (or) impound the flow of water"@en ; rdfs:subClassOf usgs:BuiltUpArea, usgs:SurfaceWater . usgs:Flat a owl:Class ; rdfs:label "Flat"@en ; rdfs:comment "A level tract lying at a small depth below the surface of water, or alternately covered and left bare by the tide"@en ; rdfs:subClassOf usgs:Terrain . usgs:Forest a owl:Class ; rdfs:label "Forest"@en ; rdfs:comment "and with a tree-crown areal density (crown closure percentage) of 10 percent or more, are stocked with trees capable of producing timber or other wood products, and exert an influence on the climate or water regime"@en ; rdfs:subClassOf usgs:EcologicalRegime . usgs:Gap a owl:Class ; rdfs:label "Gap"@en ; rdfs:comment "A low point or opening between mounts or in a ridge"@en ; rdfs:subClassOf usgs:Terrain . usgs:Glacier a owl:Class ; rdfs:label "Glacier"@en ; rdfs:comment "Body or stream of ice moving outward and downslope from an area of accumulation; an area of relatively permanent snow or ice on the top or side of a mountain or mountainous area"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Gut a owl:Class ; rdfs:label "Gut"@en ; rdfs:comment "A narrow natural passage or contracte strait connecting two bodies of water where no flow can be determined."@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Harbor a owl:Class ; rdfs:label "Harbor"@en ; rdfs:comment "An area of water where ships, planes or other watercraft can anchor or dock"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Hospital a owl:Class ; rdfs:label "Hospital"@en ; rdfs:comment "Building where the sick or injured may receive medical or surgical attention"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Island a owl:Class ; rdfs:label "Island"@en ; rdfs:comment "An area of dry or relatively dry land surrounded by water or low wet land"@en ; rdfs:subClassOf usgs:Terrain . usgs:Isthmus a owl:Class ; rdfs:label "Isthmus"@en ; rdfs:comment "A narrow strip of land, bordered on both sides by water, connecting two larger land areas"@en ; rdfs:subClassOf usgs:Terrain . usgs:Lake a owl:Class ; rdfs:label "Lake"@en ; rdfs:comment "A standing body of water with a predominantly natural shoreliine surrounded by land"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Lava a owl:Class ; rdfs:label "Lava"@en ; rdfs:comment "Formations resulting from the consolidation of molten rock on the surface of the Earth"@en ; rdfs:subClassOf usgs:Terrain . usgs:Levee a owl:Class ; rdfs:label "Levee"@en ; rdfs:comment "Natural or manmade embankment flanking alongside a stream"@en ; rdfs:subClassOf usgs:Embankment . usgs:Locale a owl:Class ; rdfs:label "Locale"@en ; rdfs:comment "A named place not otherwise categorized."@en ; rdfs:subClassOf usgs:Division . usgs:Military a owl:Class ; rdfs:label "Military"@en . usgs:Mine a owl:Class ; rdfs:label "Mine"@en ; rdfs:comment "An excavation in the earth for the purpose of extracting earth materials"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:MountainRange a owl:Class ; rdfs:label "Mountain Range"@en ; rdfs:comment "A series of connected and aligned mountains or mountain ridges"@en ; rdfs:subClassOf usgs:Terrain . usgs:OilField a owl:Class ; rdfs:label "Oil Field"@en ; rdfs:comment "An area where petroleum is or was removed from the Earth"@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Park a owl:Class ; rdfs:label "Park"@en ; rdfs:comment "A place or area developed for public use, recreation, or preservation of a cultural or natural resource."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Plain a owl:Class ; rdfs:label "Plain"@en ; rdfs:comment "A structure built out into the water, usually with its greatest dimension at right angles to the shore, forming a landing place or a place alongside which vessels can lie."@en ; rdfs:subClassOf usgs:Terrain . usgs:PopulatedPlace a owl:Class ; rdfs:label "Populated Place"@en ; rdfs:comment "Place or area with clustered or scattered buildings and a permanent human population (city, settlement, town, village). A populated place is usually not incorporated and by definition has no legal boundaries. However, a populated place may have a corresponding \"civil\" record, the legal boundaries of which may or may not coincide with the perceived populated place. Distinct from Census and Civil classes."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:PostOffice a owl:Class ; rdfs:label "Post Office"@en ; rdfs:comment "An official facility of the U.S. Postal Service used for processing and distributing mail and other postal material."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Rapids a owl:Class ; rdfs:label "Rapids"@en ; rdfs:comment "An area of broken, fast flowing water in a stream, where the slope of the bed increases (but without a prominent break of slope which might result in a waterfall), or where a gently dipping bar of harder rock outcrops."@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Reserve a owl:Class ; rdfs:label "Reserve"@en ; rdfs:comment "A tract of land set aside for a specific use (does not include forests, civil divisions, parks)."@en ; rdfs:subClassOf usgs:Division . usgs:Reservoir a owl:Class ; rdfs:label "Reservoir"@en ; rdfs:comment "A constructed basin formed to contain water or other liquids."@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Ridge a owl:Class ; rdfs:label "Ridge"@en ; rdfs:comment "A long and narrow upland with steep sides; Elevation with a narrow, elongated crest which can be part of a hill or mountain (crest, cuesta, escarpment, hogback, lae, rim, spur)."@en ; rdfs:subClassOf usgs:Terrain . usgs:Rock a owl:Class ; rdfs:label "Rock"@en ; rdfs:comment "An isolated concreted mass of stony material or a single large stone, usually one constituting a danger to navigation. It may be always submerged, always uncovered, or alternately covered and uncovered by the tide."@en ; rdfs:subClassOf usgs:Terrain . usgs:School a owl:Class ; rdfs:label "School"@en ; rdfs:comment "Building or group of buildings used as an institution for study, teaching, and learning."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Sea a owl:Class ; rdfs:label "Sea"@en ; rdfs:comment "A body of salt water usaly surrounded by land but often connected to the Ocean"@en ; rdfs:subClassOf usgs:Ocean . usgs:Slope a owl:Class ; rdfs:label "Slope"@en ; rdfs:comment "A gently inclined part of the Earth's surface (grade, pitch)."@en ; rdfs:subClassOf usgs:Terrain . usgs:Spring a owl:Class ; rdfs:label "Spring"@en ; rdfs:comment "A place where water issues from the ground naturally"@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Stream a owl:Class ; rdfs:label "Stream"@en ; rdfs:comment "Linear body of water flowing on the Earth's surface."@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Summit a owl:Class ; rdfs:label "Summit"@en ; rdfs:comment "Prominent elevation rising above the surrounding level of the Earth's surface."@en ; rdfs:subClassOf usgs:Terrain . usgs:Swamp a owl:Class ; rdfs:label "Swamp"@en ; rdfs:comment "Poorly drained wetland, fresh or saltwater, wooded or grassy, possibly covered with open water."@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Tower a owl:Class ; rdfs:label "Tower"@en ; rdfs:comment "A tall framework or structure, the height of which is required by its function; generally used for observation, storage, or electronic transmission."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Trail a owl:Class ; rdfs:label "Trail"@en ; rdfs:comment "A cleared path, beaten track, or improved surface, as through woods or wilderness, not usually trafficed by vehicles because of width, seasonal conditions, or access restrictions."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Tunnel a owl:Class ; rdfs:label "Tunnel"@en ; rdfs:comment "An underground or underwater passage."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Unknown a owl:Class ; rdfs:label "Unknown"@en ; rdfs:comment "Unknown feature type"@en . usgs:Valley a owl:Class ; rdfs:label "Valley"@en ; rdfs:comment "An elongated depression in the earth's surface which generally slopes from one end to the other."@en ; rdfs:subClassOf usgs:Terrain . usgs:Waterfall a owl:Class ; rdfs:label "Waterfall"@en ; rdfs:comment "A vertical or near vertical descent of water over a step or ledge in the bed of a river."@en ; rdfs:subClassOf usgs:SurfaceWater . usgs:Well a owl:Class ; rdfs:label "Well"@en ; rdfs:comment "A pit or hole dug or bored into the earth for the extraction of oil, water, other fluids, or gases."@en ; rdfs:subClassOf usgs:BuiltUpArea . usgs:Woodland a owl:Class ; rdfs:label "Woodland"@en ; rdfs:comment "Land having a cover of trees, shrubs, or both."@en ; rdfs:subClassOf usgs:Forest .