EPSG:26782

NAD27 / Louisiana South

Available transformations
to EPSG:4122
EPSG:4122 - ATS77

Selected transformation

Name: NAD27 to ATS77 (2)

Method: Maritime Provinces polynomial interpolation

Remarks: For reverse transformation see ATS77 to NAD27 (2) (code 1948).

Information source: Survey of New Brunswick.

Revision date: 2019-09-17

Attributes

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.

Area of use: United States (USA) - Louisiana - counties of Acadia; Allen; Ascension; Assumption; Beauregard; Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St Bernard; St Charles; St Helena; St James; St John the Baptist; St Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; Vermilion; Washington; West Baton Rouge; West Feliciana. Also Gulf of Mexico outer continental shelf (GoM OCS) protraction areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur.

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

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Center coordinates
9500422.15 7036902.73

Projected bounds:
8496674.24 6159562.93
10534936.89 7935379.91

WGS84 bounds:
-66.28 43.41
-59.73 47.08

Canada - Nova Scotia onshore.
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Definition: OGC Well Known Text

PROJCS["NAD27 / Louisiana South",
    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",28.6666666666667],
    PARAMETER["central_meridian",-91.3333333333333],
    PARAMETER["standard_parallel_1",29.3],
    PARAMETER["standard_parallel_2",30.7],
    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","26782"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD27 / Louisiana South",
    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["Louisiana CS27 South zone",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",28.6666666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",-91.3333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",29.3,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",30.7,
            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) - Louisiana - counties of Acadia; Allen; Ascension; Assumption; Beauregard; Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St Bernard; St Charles; St Helena; St James; St John the Baptist; St Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; Vermilion; Washington; West Baton Rouge; West Feliciana. Also Gulf of Mexico outer continental shelf (GoM OCS) protraction areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur."],
        BBOX[27.82,-93.94,31.07,-87.76]],
    ID["EPSG",26782]]

Definition: ESRI Well Known Text

PROJCS["NAD_1927_StatePlane_Louisiana_South_FIPS_1702",
    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",-91.3333333333333],
    PARAMETER["Standard_Parallel_1",29.3],
    PARAMETER["Standard_Parallel_2",30.7],
    PARAMETER["Latitude_Of_Origin",28.6666666666667],
    UNIT["US survey foot",0.304800609601219]]

Definition: PROJ.4

+proj=lcc +lat_0=28.6666666666667 +lon_0=-91.3333333333333 +lat_1=29.3 +lat_2=30.7 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:26782","+proj=lcc +lat_0=28.6666666666667 +lon_0=-91.3333333333333 +lat_1=29.3 +lat_2=30.7 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD27 / Louisiana South",
    "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": "Louisiana CS27 South zone",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 28.6666666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": -91.3333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 29.3,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 30.7,
                "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) - Louisiana - counties of Acadia; Allen; Ascension; Assumption; Beauregard; Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St Bernard; St Charles; St Helena; St James; St John the Baptist; St Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; Vermilion; Washington; West Baton Rouge; West Feliciana. Also Gulf of Mexico outer continental shelf (GoM OCS) protraction areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur.",
    "bbox": {
        "south_latitude": 27.82,
        "west_longitude": -93.94,
        "north_latitude": 31.07,
        "east_longitude": -87.76
    },
    "id": {
        "authority": "EPSG",
        "code": 26782
    }
}

Definition: GeoServer

26782=PROJCS["NAD27 / Louisiana South",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",28.6666666666667],PARAMETER["central_meridian",-91.3333333333333],PARAMETER["standard_parallel_1",29.3],PARAMETER["standard_parallel_2",30.7],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","26782"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=28.6666666666667"
	"lon_0=-91.3333333333333"
	"lat_1=29.3"
	"lat_2=30.7"
	"x_0=609601.219202438"
	"y_0=0"
	"datum=NAD27"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=28.6666666666667 +lon_0=-91.3333333333333 +lat_1=29.3 +lat_2=30.7 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=28.6666666666667 +lon_0=-91.3333333333333 +lat_1=29.3 +lat_2=30.7 +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 ( 26782, 'EPSG', 26782, '+proj=lcc +lat_0=28.6666666666667 +lon_0=-91.3333333333333 +lat_1=29.3 +lat_2=30.7 +x_0=609601.219202438 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / Louisiana South",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",28.6666666666667],PARAMETER["central_meridian",-91.3333333333333],PARAMETER["standard_parallel_1",29.3],PARAMETER["standard_parallel_2",30.7],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","26782"]]');