NAD27 / California Albers

Canada - British Columbia. , accuracy 1.5 m, code 9112 (default) [grid]
Canada - New Brunswick. , accuracy 0.8 m, code 9238 [grid]
Canada - Quebec. , accuracy 1.5 m, code 9239 [grid]
Canada - Saskatchewan. , accuracy 1.5 m, code 9886 [grid]

Selected transformation

Method: NTv2

Grid Files: BC_27_98.GSB

Remarks: Derived through NAD83(CSRS)v2. Replaced by NAD27 to NAD83(CSRS) (8) (CT code 9113) for CRD, NAD27 to NAD83(CSRS) (9) (CT code 9114) forn north Vancouver Island and NAD27 to NAD83(CSRS) (10) (CT code 9115) for mainland.

Information source: GeoBC, Government of British Columbia, via ISO Geodetic Register.

Revision date: 2019-07-15

Attributes

Unit: metre

Geodetic CRS: NAD27

Datum: North American Datum 1927

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: California Spatial Information Library (CaSIL), http://gis.ca.gov

Revision date: 2005-09-19

Scope: State-wide spatial data management.

Area of use: United States (USA) - California.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.

Covered area powered by MapTiler

Center coordinates
-452820.51 1777106.44

Projected bounds:
-1432579.85 1130312.67
448264.06 2483249.5

WGS84 bounds:
-139.04 48.25
-114.08 60.01

Canada - British Columbia.

Definition: OGC Well Known Text 2 (2019)

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BOUNDCRS[
    SOURCECRS[
        PROJCRS["NAD27 / California Albers",
            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 Albers",
                METHOD["Albers Equal Area",
                    ID["EPSG",9822]],
                PARAMETER["Latitude of false origin",0,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8821]],
                PARAMETER["Longitude of false origin",-120,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8822]],
                PARAMETER["Latitude of 1st standard parallel",34,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8823]],
                PARAMETER["Latitude of 2nd standard parallel",40.5,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8824]],
                PARAMETER["Easting at false origin",0,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8826]],
                PARAMETER["Northing at false origin",-4000000,
                    LENGTHUNIT["metre",1],
                    ID["EPSG",8827]]],
            CS[Cartesian,2],
                AXIS["easting (X)",east,
                    ORDER[1],
                    LENGTHUNIT["metre",1]],
                AXIS["northing (Y)",north,
                    ORDER[2],
                    LENGTHUNIT["metre",1]],
            USAGE[
                SCOPE["State-wide spatial data management."],
                AREA["United States (USA) - California."],
                BBOX[32.53,-124.45,42.01,-114.12]],
            ID["EPSG",3309]]],
    TARGETCRS[
        GEOGCRS["NAD83(CSRS)v2",
            DATUM["North American Datum of 1983 (CSRS) version 2",
                ELLIPSOID["GRS 1980",6378137,298.257222101,
                    LENGTHUNIT["metre",1]]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["Canada - onshore and offshore - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon."],
                BBOX[38.21,-141.01,86.46,-40.73]],
            ID["EPSG",8237]]],
    ABRIDGEDTRANSFORMATION["NAD27 to NAD83(CSRS)v2 (7)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","BC_27_98.GSB"],
        USAGE[
            SCOPE["Geodesy."],
            AREA["Canada - British Columbia."],
            BBOX[48.25,-139.04,60.01,-114.08]],
        ID["EPSG",9112],
        REMARK["Derived through NAD83(CSRS)v2. Replaced by NAD27 to NAD83(CSRS) (8) (CT code 9113) for CRD, NAD27 to NAD83(CSRS) (9) (CT code 9114) forn north Vancouver Island and NAD27 to NAD83(CSRS) (10) (CT code 9115) for mainland."]]]

Definition: PROJ.4

+proj=aea +lat_0=0 +lon_0=-120 +lat_1=34 +lat_2=40.5 +x_0=0 +y_0=-4000000 +datum=NAD27 +units=m +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:3309","+proj=aea +lat_0=0 +lon_0=-120 +lat_1=34 +lat_2=40.5 +x_0=0 +y_0=-4000000 +datum=NAD27 +units=m +no_defs +type=crs");

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "NAD27 / California Albers",
        "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": "California Albers",
            "method": {
                "name": "Albers Equal Area",
                "id": {
                    "authority": "EPSG",
                    "code": 9822
                }
            },
            "parameters": [
                {
                    "name": "Latitude of false origin",
                    "value": 0,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8821
                    }
                },
                {
                    "name": "Longitude of false origin",
                    "value": -120,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8822
                    }
                },
                {
                    "name": "Latitude of 1st standard parallel",
                    "value": 34,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8823
                    }
                },
                {
                    "name": "Latitude of 2nd standard parallel",
                    "value": 40.5,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8824
                    }
                },
                {
                    "name": "Easting at false origin",
                    "value": 0,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8826
                    }
                },
                {
                    "name": "Northing at false origin",
                    "value": -4000000,
                    "unit": "metre",
                    "id": {
                        "authority": "EPSG",
                        "code": 8827
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Easting",
                    "abbreviation": "X",
                    "direction": "east",
                    "unit": "metre"
                },
                {
                    "name": "Northing",
                    "abbreviation": "Y",
                    "direction": "north",
                    "unit": "metre"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 3309
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83(CSRS)v2",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "North American Datum of 1983 (CSRS) version 2",
            "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": 8237
        }
    },
    "transformation": {
        "name": "NAD27 to NAD83(CSRS)v2 (7)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "BC_27_98.GSB",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 9112
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=aea"
	"lat_0=0"
	"lon_0=-120"
	"lat_1=34"
	"lat_2=40.5"
	"x_0=0"
	"y_0=-4000000"
	"datum=NAD27"
	"units=m"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=aea +lat_0=0 +lon_0=-120 +lat_1=34 +lat_2=40.5 +x_0=0 +y_0=-4000000 +datum=NAD27 +units=m +no_defs +type=crs">
	<Layer srs="+proj=aea +lat_0=0 +lon_0=-120 +lat_1=34 +lat_2=40.5 +x_0=0 +y_0=-4000000 +datum=NAD27 +units=m +no_defs +type=crs">
	</Layer>
</Map>

EPSG:3309