US survey foot
Engineering survey, topographic mapping.
None
United States (USA) - Texas - counties of: Armstrong; Briscoe; Carson; Castro; Childress; Collingsworth; Dallam; Deaf Smith; Donley; Gray; Hall; Hansford; Hartley; Hemphill; Hutchinson; Lipscomb; Moore; Ochiltree; Oldham; Parmer; Potter; Randall; Roberts; Sherman; Swisher; Wheeler.
Data Source: EPSG v11.016 2024-08-31
Datum: North American Datum 1927
Coordinate System: Undefined
Projection: Undefined
Geodetic CRS: Undefined
COMPOUNDCRS["NAD27 / Texas North + NGVD29 height (ftUS)",
PROJCRS["NAD27 / Texas North",
BASEGEOGCRS["NAD27",
DATUM["North American Datum 1927",
ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
LENGTHUNIT["metre",1]]],
PRIMEM["Greenwich",0,
ANGLEUNIT["degree",0.0174532925199433]],
ID["EPSG",4267]],
CONVERSION["Texas CS27 North zone",
METHOD["Lambert Conic Conformal (2SP)",
ID["EPSG",9802]],
PARAMETER["Latitude of false origin",34,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8821]],
PARAMETER["Longitude of false origin",-101.5,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8822]],
PARAMETER["Latitude of 1st standard parallel",34.65,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",36.1833333333333,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",2000000,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8826]],
PARAMETER["Northing at false origin",0,
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]]],
VERTCRS["NGVD29 height (ftUS)",
VDATUM["National Geodetic Vertical Datum 1929"],
CS[vertical,1],
AXIS["gravity-related height (H)",up,
LENGTHUNIT["US survey foot",0.304800609601219]]],
USAGE[
SCOPE["Engineering survey, topographic mapping."],
AREA["United States (USA) - Texas - counties of: Armstrong; Briscoe; Carson; Castro; Childress; Collingsworth; Dallam; Deaf Smith; Donley; Gray; Hall; Hansford; Hartley; Hemphill; Hutchinson; Lipscomb; Moore; Ochiltree; Oldham; Parmer; Potter; Randall; Roberts; Sherman; Swisher; Wheeler."],
BBOX[34.3,-103.03,36.5,-99.99]],
ID["EPSG",7407]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "CompoundCRS",
"name": "NAD27 / Texas North + NGVD29 height (ftUS)",
"components": [
{
"type": "ProjectedCRS",
"name": "NAD27 / Texas North",
"base_crs": {
"name": "NAD27",
"datum": {
"type": "GeodeticReferenceFrame",
"name": "North American Datum 1927",
"ellipsoid": {
"name": "Clarke 1866",
"semi_major_axis": 6378206.4,
"semi_minor_axis": 6356583.8
}
},
"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": 4267
}
},
"conversion": {
"name": "Texas CS27 North zone",
"method": {
"name": "Lambert Conic Conformal (2SP)",
"id": {
"authority": "EPSG",
"code": 9802
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 34,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8821
}
},
{
"name": "Longitude of false origin",
"value": -101.5,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8822
}
},
{
"name": "Latitude of 1st standard parallel",
"value": 34.65,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 36.1833333333333,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8824
}
},
{
"name": "Easting at false origin",
"value": 2000000,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8826
}
},
{
"name": "Northing at false origin",
"value": 0,
"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
}
}
]
}
},
{
"type": "VerticalCRS",
"name": "NGVD29 height (ftUS)",
"datum": {
"type": "VerticalReferenceFrame",
"name": "National Geodetic Vertical Datum 1929"
},
"coordinate_system": {
"subtype": "vertical",
"axis": [
{
"name": "Gravity-related height",
"abbreviation": "H",
"direction": "up",
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
}
}
]
}
}
],
"scope": "Engineering survey, topographic mapping.",
"area": "United States (USA) - Texas - counties of: Armstrong; Briscoe; Carson; Castro; Childress; Collingsworth; Dallam; Deaf Smith; Donley; Gray; Hall; Hansford; Hartley; Hemphill; Hutchinson; Lipscomb; Moore; Ochiltree; Oldham; Parmer; Potter; Randall; Roberts; Sherman; Swisher; Wheeler.",
"bbox": {
"south_latitude": 34.3,
"west_longitude": -103.03,
"north_latitude": 36.5,
"east_longitude": -99.99
},
"id": {
"authority": "EPSG",
"code": 7407
}
}
{'crs_wkt': 'COMPOUNDCRS["NAD27 / Texas North + NGVD29 height '
'(ftUS)",PROJCRS["NAD27 / Texas '
'North",BASEGEOGCRS["NAD27",DATUM["North American Datum '
'1927",ELLIPSOID["Clarke '
'1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4267]],CONVERSION["Texas '
'CS27 North zone",METHOD["Lambert Conic Conformal '
'(2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false '
'origin",34,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude '
'of false '
'origin",-101.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
'of 1st standard '
'parallel",34.65,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",36.1833333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
'at false origin",2000000,LENGTHUNIT["US survey '
'foot",0.304800609601219],ID["EPSG",8826]],PARAMETER["Northing at '
'false origin",0,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]]],VERTCRS["NGVD29 height '
'(ftUS)",VDATUM["National Geodetic Vertical Datum '
'1929"],CS[vertical,1],AXIS["gravity-related height '
'(H)",up,LENGTHUNIT["US survey '
'foot",0.304800609601219]]],USAGE[SCOPE["Engineering survey, '
'topographic mapping."],AREA["United States (USA) - Texas - '
'counties of: Armstrong; Briscoe; Carson; Castro; Childress; '
'Collingsworth; Dallam; Deaf Smith; Donley; Gray; Hall; Hansford; '
'Hartley; Hemphill; Hutchinson; Lipscomb; Moore; Ochiltree; '
'Oldham; Parmer; Potter; Randall; Roberts; Sherman; Swisher; '
'Wheeler."],BBOX[34.3,-103.03,36.5,-99.99]],ID["EPSG",7407]]',
'false_easting': 2000000.0,
'false_northing': 0.0,
'geographic_crs_name': 'NAD27',
'geopotential_datum_name': 'National Geodetic Vertical Datum 1929',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'North American Datum 1927',
'inverse_flattening': 294.978698213898,
'latitude_of_projection_origin': 34.0,
'longitude_of_central_meridian': -101.5,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD27 / Texas North',
'reference_ellipsoid_name': 'Clarke 1866',
'semi_major_axis': 6378206.4,
'semi_minor_axis': 6356583.8,
'standard_parallel': (34.65, 36.1833333333333)}