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PropertyValue
area_of_useUnited States (USA) - Illinois - counties of Adams; Alexander; Bond; Brown; Bureau; Calhoun; Carroll; Cass; Christian; Clinton; Fulton; Greene; Hancock; Henderson; Henry; Jackson; Jersey; Jo Daviess; Knox; Lee; Logan; Macoupin; Madison; Marshall; Mason; McDonough; Menard; Mercer; Monroe; Montgomery; Morgan; Ogle; Peoria; Perry; Pike; Pulaski; Putnam; Randolph; Rock Island; Sangamon; Schuyler; Scott; St Clair; Stark; Stephenson; Tazewell; Union; Warren; Washington; Whiteside; Winnebago; Woodford. (geoepsg:3531_area_of_use)
asProj4+proj=tmerc +lat_0=36.6666666666667 +lon_0=-90.1666666666667 +k=0.999941177 +x_0=699999.99998984 +y_0=0 +ellps=GRS80 +units=us-ft +no_defs +type=crs (geocrs:projLiteral)
asProjJSON
{'$schema':'https://proj.org/schemas/v0.2/projjson.schema.json','type':'ProjectedCRS','name':'NAD83(NSRS2007) / Illinois West (ftUS)','base_crs':{'nam (...)e':'NAD83(NSRS2007)','datum':{'type':'GeodeticReferenceFrame','name':'NAD83 (National Spatial Reference System 2007)','ellipsoid':{'name':'GRS 1980','semi_major_axis':6378137,'inverse_flattening':298.257222101}},'coordinate_system':{'subtype':'ellipsoidal','axis':[{'name':'Geodetic latitude','abbreviation':'Lat','direction':'north','unit':'degree'},{'name':'Geodetic longitude','abbreviation':'Lon','direction':'east','unit':'degree'}]},'id':{'authority':'EPSG','code':4759}},'conversion':{'name':'SPCS83 Illinois West zone (US Survey feet)','method':{'name':'Transverse Mercator','id':{'authority':'EPSG','code':9807}},'parameters':[{'name':'Latitude of natural origin','value':36.6666666666667,'unit':'degree','id':{'authority':'EPSG','code':8801}},{'name':'Longitude of natural origin','value':-90.1666666666667,'unit':'degree','id':{'authority':'EPSG','code':8802}},{'name':'Scale factor at natural origin','value':0.999941177,'unit':'unity','id':{'authority':'EPSG','code':8805}},{'name':'False easting','value':2296583.3333,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8806}},{'name':'False northing','value':0,'unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219},'id':{'authority':'EPSG','code':8807}}]},'coordinate_system':{'subtype':'Cartesian','axis':[{'name':'Easting','abbreviation':'X','direction':'east','unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219}},{'name':'Northing','abbreviation':'Y','direction':'north','unit':{'type':'LinearUnit','name':'US survey foot','conversion_factor':0.304800609601219}}]},'scope':'Engineering survey, topographic mapping.','area':'United States (USA) - Illinois - counties of Adams; Alexander; Bond; Brown; Bureau; Calhoun; Carroll; Cass; Christian; Clinton; Fulton; Greene; Hancock; Henderson; Henry; Jackson; Jersey; Jo Daviess; Knox; Lee; Logan; Macoupin; Madison; Marshall; Mason; McDonough; Menard; Mercer; Monroe; Montgomery; Morgan; Ogle; Peoria; Perry; Pike; Pulaski; Putnam; Randolph; Rock Island; Sangamon; Schuyler; Scott; St Clair; Stark; Stephenson; Tazewell; Union; Warren; Washington; Whiteside; Winnebago; Woodford.','bbox':{'south_latitude':36.98,'west_longitude':-91.52,'north_latitude':42.51,'east_longitude':-88.93},'id':{'authority':'EPSG','code':3531}}
(geocrs:projJSONLiteral)
asWKT
PROJCRS['NAD83(NSRS2007) / Illinois West (ftUS)',BASEGEOGCRS['NAD83(NSRS2007)',DATUM['NAD83 (National Spatial Reference System 2007)',ELLIPSOID['GRS 1 (...)980',6378137,298.257222101,LENGTHUNIT['metre',1]]],PRIMEM['Greenwich',0,ANGLEUNIT['degree',0.0174532925199433]],ID['EPSG',4759]],CONVERSION['SPCS83 Illinois West zone (US Survey feet)',METHOD['Transverse Mercator',ID['EPSG',9807]],PARAMETER['Latitude of natural origin',36.6666666666667,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8801]],PARAMETER['Longitude of natural origin',-90.1666666666667,ANGLEUNIT['degree',0.0174532925199433],ID['EPSG',8802]],PARAMETER['Scale factor at natural origin',0.999941177,SCALEUNIT['unity',1],ID['EPSG',8805]],PARAMETER['False easting',2296583.3333,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8806]],PARAMETER['False northing',0,LENGTHUNIT['US survey foot',0.304800609601219],ID['EPSG',8807]]],CS[Cartesian,2],AXIS['easting (X)',east,ORDER[1],LENGTHUNIT['US survey foot',0.304800609601219]],AXIS['northing (Y)',north,ORDER[2],LENGTHUNIT['US survey foot',0.304800609601219]],USAGE[SCOPE['Engineering survey, topographic mapping.'],AREA['United States (USA) - Illinois - counties of Adams; Alexander; Bond; Brown; Bureau; Calhoun; Carroll; Cass; Christian; Clinton; Fulton; Greene; Hancock; Henderson; Henry; Jackson; Jersey; Jo Daviess; Knox; Lee; Logan; Macoupin; Madison; Marshall; Mason; McDonough; Menard; Mercer; Monroe; Montgomery; Morgan; Ogle; Peoria; Perry; Pike; Pulaski; Putnam; Randolph; Rock Island; Sangamon; Schuyler; Scott; St Clair; Stark; Stephenson; Tazewell; Union; Warren; Washington; Whiteside; Winnebago; Woodford.'],BBOX[36.98,-91.52,42.51,-88.93]],ID['EPSG',3531]]
(geocrs:wktLiteral)
coordinate operationSPCS83 Illinois West zone (US Survey feet): Transverse Mercator (geoepsg:SPCS83_Illinois_West_zone__US_Survey_feet_)
coordinate systemEPSG:3531 CS: cartesian (geoepsg:3531_cs)
datumDatum: NAD83 (National Spatial Reference System 2007) (geoepsg:NAD83__National_Spatial_Reference_System_2007_)
epsgCodeEPSG:3531 (xmls:string)
isApplicableToEarth (geoepsg:Earth)
isBoundfalse (xmls:boolean)
isGeocentricfalse (xmls:boolean)
isGeographicfalse (xmls:boolean)
isProjectedtrue (xmls:boolean)
isVerticalfalse (xmls:boolean)
source CRSNAD83(NSRS2007) (geoepsg:4759)
usage
type (rdf:type) projected coordinate reference system (geoepsg:ProjectedCRS)
label (rdfs:label) NAD83(NSRS2007) / Illinois West (ftUS) (rdf:langString) (iso6391:en)
Metadata
PropertyValue
inDataset (void:inDataset) geoepsg_dataset (geoepsg:geoepsg_dataset) [466048 geocrs:PlanarCoordinateSystem]