US survey foot
Engineering survey, topographic mapping.
None
United States (USA) - Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; Teller.
Data Source: EPSG v11.016 2024-08-31
Datum: NAD83 (National Spatial Reference System 2007)
Coordinate System: cartesian
Projection: SPCS83 Colorado Central zone (US survey foot)
Geodetic CRS: NAD83(NSRS2007)
PROJCRS["NAD83(NSRS2007) / Colorado Central (ftUS)",
BASEGEOGCRS["NAD83(NSRS2007)",
DATUM["NAD83 (National Spatial Reference System 2007)",
ELLIPSOID["GRS 1980",6378137,298.257222101,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4759]],
CONVERSION["SPCS83 Colorado Central zone (US survey foot)",
METHOD["Lambert Conic Conformal (2SP)",
ID["EPSG",9802]],
PARAMETER["Latitude of false origin",37.8333333333333,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8821]],
PARAMETER["Longitude of false origin",-105.5,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8822]],
PARAMETER["Latitude of 1st standard parallel",39.75,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",38.45,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",3000000,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8826]],
PARAMETER["Northing at false origin",1000000,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8827]]],
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) - Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; Teller."],
BBOX[38.14,-109.06,40.09,-102.04]],
ID["EPSG",3502]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NAD83(NSRS2007) / Colorado Central (ftUS)",
"base_crs": {
"name": "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 Colorado Central zone (US survey foot)",
"method": {
"name": "Lambert Conic Conformal (2SP)",
"id": {
"authority": "EPSG",
"code": 9802
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 37.8333333333333,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8821
}
},
{
"name": "Longitude of false origin",
"value": -105.5,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8822
}
},
{
"name": "Latitude of 1st standard parallel",
"value": 39.75,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 38.45,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8824
}
},
{
"name": "Easting at false origin",
"value": 3000000,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8826
}
},
{
"name": "Northing at false origin",
"value": 1000000,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8827
}
}
]
},
"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) - Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; Teller.",
"bbox": {
"south_latitude": 38.14,
"west_longitude": -109.06,
"north_latitude": 40.09,
"east_longitude": -102.04
},
"id": {
"authority": "EPSG",
"code": 3502
}
}
{'crs_wkt': 'PROJCRS["NAD83(NSRS2007) / Colorado Central '
'(ftUS)",BASEGEOGCRS["NAD83(NSRS2007)",DATUM["NAD83 (National '
'Spatial Reference System 2007)",ELLIPSOID["GRS '
'1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4759]],CONVERSION["SPCS83 '
'Colorado Central zone (US survey foot)",METHOD["Lambert Conic '
'Conformal (2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false '
'origin",37.8333333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude '
'of false '
'origin",-105.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
'of 1st standard '
'parallel",39.75,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",38.45,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
'at false origin",3000000,LENGTHUNIT["US survey '
'foot",0.304800609601219],ID["EPSG",8826]],PARAMETER["Northing at '
'false origin",1000000,LENGTHUNIT["US survey '
'foot",0.304800609601219],ID["EPSG",8827]]],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) - Colorado - '
'counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; '
'Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; '
'Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; '
'Teller."],BBOX[38.14,-109.06,40.09,-102.04]],ID["EPSG",3502]]',
'false_easting': 3000000.0,
'false_northing': 1000000.0,
'geographic_crs_name': 'NAD83(NSRS2007)',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'NAD83 (National Spatial Reference System 2007)',
'inverse_flattening': 298.257222101,
'latitude_of_projection_origin': 37.833333333333336,
'longitude_of_central_meridian': -105.5,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD83(NSRS2007) / Colorado Central (ftUS)',
'reference_ellipsoid_name': 'GRS 1980',
'semi_major_axis': 6378137.0,
'semi_minor_axis': 6356752.314140356,
'standard_parallel': (39.75, 38.45)}