US survey foot
Engineering survey, topographic mapping (large and medium scale).
None
United States (USA) - Illinois - counties of Greene and Macoupin.
Data Source: EPSG v11.016 2024-08-31
Datum: NAD83 (National Spatial Reference System 2011)
Coordinate System: cartesian
Projection: Illinois Coordinate System of 1983 Carlinville zone (US survey foot)
Geodetic CRS: NAD83(2011)
PROJCRS["NAD83(2011) / ICS83-Carlinville (ftUS)",
BASEGEOGCRS["NAD83(2011)",
DATUM["NAD83 (National Spatial Reference System 2011)",
ELLIPSOID["GRS 1980",6378137,298.257222101,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",6318]],
CONVERSION["Illinois Coordinate System of 1983 Carlinville zone (US survey foot)",
METHOD["Lambert Conic Conformal (1SP)",
ID["EPSG",9801]],
PARAMETER["Latitude of natural origin",39.3,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8801]],
PARAMETER["Longitude of natural origin",-90.15,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8802]],
PARAMETER["Scale factor at natural origin",1.00002,
SCALEUNIT["unity",1],
ID["EPSG",8805]],
PARAMETER["False easting",5741000,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8806]],
PARAMETER["False northing",2756000,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8807]]],
CS[Cartesian,2],
AXIS["northing (N)",north,
ORDER[1],
LENGTHUNIT["US survey foot",0.304800609601219]],
AXIS["easting (E)",east,
ORDER[2],
LENGTHUNIT["US survey foot",0.304800609601219]],
USAGE[
SCOPE["Engineering survey, topographic mapping (large and medium scale)."],
AREA["United States (USA) - Illinois - counties of Greene and Macoupin."],
BBOX[38.99,-90.63,39.53,-89.69]],
ID["EPSG",23325]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NAD83(2011) / ICS83-Carlinville (ftUS)",
"base_crs": {
"name": "NAD83(2011)",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "NAD83 (National Spatial Reference System 2011)",
"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": 6318
}
},
"conversion": {
"name": "Illinois Coordinate System of 1983 Carlinville zone (US survey foot)",
"method": {
"name": "Lambert Conic Conformal (1SP)",
"id": {
"authority": "EPSG",
"code": 9801
}
},
"parameters": [
{
"name": "Latitude of natural origin",
"value": 39.3,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8801
}
},
{
"name": "Longitude of natural origin",
"value": -90.15,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8802
}
},
{
"name": "Scale factor at natural origin",
"value": 1.00002,
"unit": "unity",
"id": {
"authority": "EPSG",
"code": 8805
}
},
{
"name": "False easting",
"value": 5741000,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8806
}
},
{
"name": "False northing",
"value": 2756000,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8807
}
}
]
},
"coordinate_system": {
"subtype": "Cartesian",
"axis": [
{
"name": "Northing",
"abbreviation": "N",
"direction": "north",
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
}
},
{
"name": "Easting",
"abbreviation": "E",
"direction": "east",
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
}
}
]
},
"scope": "Engineering survey, topographic mapping (large and medium scale).",
"area": "United States (USA) - Illinois - counties of Greene and Macoupin.",
"bbox": {
"south_latitude": 38.99,
"west_longitude": -90.63,
"north_latitude": 39.53,
"east_longitude": -89.69
},
"id": {
"authority": "EPSG",
"code": 23325
}
}
{'crs_wkt': 'PROJCRS["NAD83(2011) / ICS83-Carlinville '
'(ftUS)",BASEGEOGCRS["NAD83(2011)",DATUM["NAD83 (National Spatial '
'Reference System 2011)",ELLIPSOID["GRS '
'1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",6318]],CONVERSION["Illinois '
'Coordinate System of 1983 Carlinville zone (US survey '
'foot)",METHOD["Lambert Conic Conformal '
'(1SP)",ID["EPSG",9801]],PARAMETER["Latitude of natural '
'origin",39.3,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
'of natural '
'origin",-90.15,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
'factor at natural '
'origin",1.00002,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
'easting",5741000,LENGTHUNIT["US survey '
'foot",0.304800609601219],ID["EPSG",8806]],PARAMETER["False '
'northing",2756000,LENGTHUNIT["US survey '
'foot",0.304800609601219],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["northing '
'(N)",north,ORDER[1],LENGTHUNIT["US survey '
'foot",0.304800609601219]],AXIS["easting '
'(E)",east,ORDER[2],LENGTHUNIT["US survey '
'foot",0.304800609601219]],USAGE[SCOPE["Engineering survey, '
'topographic mapping (large and medium scale)."],AREA["United '
'States (USA) - Illinois - counties of Greene and '
'Macoupin."],BBOX[38.99,-90.63,39.53,-89.69]],ID["EPSG",23325]]',
'false_easting': 5741000.0,
'false_northing': 2756000.0,
'geographic_crs_name': 'NAD83(2011)',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'NAD83 (National Spatial Reference System 2011)',
'inverse_flattening': 298.257222101,
'longitude_of_central_meridian': -90.15,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD83(2011) / ICS83-Carlinville (ftUS)',
'reference_ellipsoid_name': 'GRS 1980',
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356,
'standard_parallel': 39.3}