Name: NAD27 to NAD83(HARN) (22)
Remarks: May be taken as approximate transformation NAD27 to WGS 84 - see code 8622.
Information source: US Coast & Geodetic Survey www.ngs.noaa.gov NADCON readme file
Revision date: 1999-10-20
Unit: US survey foot
Geodetic CRS: NAD27
Datum: North American Datum 1927
Ellipsoid: Clarke 1866
Prime meridian: Greenwich
Data source: EPSG
Revision date: 1995-06-02
Scope: Engineering survey, topographic mapping.
Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.
Center coordinates
7653918.92 2484798.17
Projected bounds:
6547466.04 1639832.71
8802830.26 3359914.14
WGS84 bounds:
-104.07 42.48
-96.43 45.95
Definition: OGC Well Known Text
PROJCS["NAD27 / California zone I", GEOGCS["NAD27", DATUM["North_American_Datum_1927", SPHEROID["Clarke 1866",6378206.4,294.978698213898, AUTHORITY["EPSG","7008"]], AUTHORITY["EPSG","6267"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4267"]], PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",39.3333333333333], PARAMETER["central_meridian",-122], PARAMETER["standard_parallel_1",41.6666666666667], PARAMETER["standard_parallel_2",40], PARAMETER["false_easting",2000000], PARAMETER["false_northing",0], UNIT["US survey foot",0.304800609601219, AUTHORITY["EPSG","9003"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","26741"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD27 / California zone I", 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["California CS27 zone I", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",39.3333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-122, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",41.6666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",40, 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]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - California - counties Del Norte; Humboldt; Lassen; Modoc; Plumas; Shasta; Siskiyou; Tehama; Trinity."], BBOX[39.59,-124.45,42.01,-119.99]], ID["EPSG",26741]]
Definition: ESRI Well Known Text
PROJCS["NAD_1927_StatePlane_California_I_FIPS_0401", GEOGCS["GCS_North_American_1927", DATUM["D_North_American_1927", SPHEROID["Clarke_1866",6378206.4,294.978698213898]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",2000000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-122.0], PARAMETER["Standard_Parallel_1",41.6666666666667], PARAMETER["Standard_Parallel_2",40.0], PARAMETER["Latitude_Of_Origin",39.3333333333333], UNIT["US survey foot",0.304800609601219]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD27 / California zone I", "base_crs": { "type": "GeographicCRS", "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 }, "remarks": "Note: this CRS includes longitudes which are POSITIVE EAST. Replaced by NAD27(76) (code 4608) in Ontario, CGQ77 (code 4609) in Quebec, Mexican Datum of 1993 (code 4483) in Mexico, NAD83 (code 4269) in Canada (excl. Ontario & Quebec) & USA." }, "conversion": { "name": "California CS27 zone I", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 39.3333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -122, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 41.6666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 40, "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 } } ] }, "scope": "Engineering survey, topographic mapping.", "area": "United States (USA) - California - counties Del Norte; Humboldt; Lassen; Modoc; Plumas; Shasta; Siskiyou; Tehama; Trinity.", "bbox": { "south_latitude": 39.59, "west_longitude": -124.45, "north_latitude": 42.01, "east_longitude": -119.99 }, "id": { "authority": "EPSG", "code": 26741 } }
Definition: GeoServer
26741=PROJCS["NAD27 / California zone I",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",39.3333333333333],PARAMETER["central_meridian",-122],PARAMETER["standard_parallel_1",41.6666666666667],PARAMETER["standard_parallel_2",40],PARAMETER["false_easting",2000000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26741"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=39.3333333333333 +lon_0=-122 +lat_1=41.6666666666667 +lat_2=40 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=39.3333333333333 +lon_0=-122 +lat_1=41.6666666666667 +lat_2=40 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 26741, 'EPSG', 26741, '+proj=lcc +lat_0=39.3333333333333 +lon_0=-122 +lat_1=41.6666666666667 +lat_2=40 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / California zone I",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",39.3333333333333],PARAMETER["central_meridian",-122],PARAMETER["standard_parallel_1",41.6666666666667],PARAMETER["standard_parallel_2",40],PARAMETER["false_easting",2000000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26741"]]');