EPSG:26812 DEPRECATED

NAD Michigan / Michigan Central

Attributes

Unit: US survey foot

Geodetic CRS: NAD27 Michigan

Datum: NAD27 Michigan

Ellipsoid: Clarke 1866 Michigan

Prime meridian: Greenwich

Data source: EPSG

Information source: National Geodetic Survey publication 65-1 part 52.

Revision date: 2011-10-08

Scope: Engineering survey, topographic mapping.

Remarks: This and NAD Michigan / Michigan South (CRS code 26813) replace NAD27 / Michigan Old Central and East zones (CRS codes 5623-24).

Area of use: United States (USA) - Michigan - counties of Alcona; Alpena; Antrim; Arenac; Benzie; Charlevoix; Cheboygan; Clare; Crawford; Emmet; Gladwin; Grand Traverse; Iosco; Kalkaska; Lake; Leelanau; Manistee; Mason; Missaukee; Montmorency; Ogemaw; Osceola; Oscoda; Otsego; Presque Isle; Roscommon; Wexford.

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

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SimpleMap

Center coordinates
1913996.53 562838.18

Projected bounds:
1280098.87 176239.41
2544810.11 960830.5

WGS84 bounds:
-87.06 43.8
-82.27 45.92

United States (USA) - Michigan - counties of Alcona; Alpena; Antrim; Arenac; Benzie; Charlevoix; Cheboygan; Clare; Crawford; Emmet; Gladwin; Grand Traverse; Iosco; Kalkaska; Lake; Leelanau; Manistee; Mason; Missaukee; Montmorency; Ogemaw; Osceola; Oscoda; Otsego; Presque Isle; Roscommon; Wexford.
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Definition: OGC Well Known Text

PROJCS["NAD Michigan / Michigan Central (deprecated)",
    GEOGCS["NAD27 Michigan (deprecated)",
        DATUM["NAD27_Michigan",
            SPHEROID["Clarke 1866 Michigan",6378450.0475489,294.978697164677,
                AUTHORITY["EPSG","7009"]],
            AUTHORITY["EPSG","6268"]],
        PRIMEM["Greenwich",0,
            AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,
            AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4268"]],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",43.3166666666667],
    PARAMETER["central_meridian",-84.3333333333333],
    PARAMETER["standard_parallel_1",44.1833333333333],
    PARAMETER["standard_parallel_2",45.7],
    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","26812"]]

Definition: OGC Well Known Text 2 (2019)

PROJCRS["NAD Michigan / Michigan Central",
    BASEGEOGCRS["NAD27 Michigan",
        DATUM["NAD27 Michigan",
            ELLIPSOID["Clarke 1866 Michigan",20926631.531,294.978697164677,
                LENGTHUNIT["US survey foot",0.304800609601219]]],
        PRIMEM["Greenwich",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["EPSG",4268]],
    CONVERSION["Michigan CS27 Central zone",
        METHOD["Lambert Conic Conformal (2SP)",
            ID["EPSG",9802]],
        PARAMETER["Latitude of false origin",43.3166666666667,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8821]],
        PARAMETER["Longitude of false origin",-84.3333333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8822]],
        PARAMETER["Latitude of 1st standard parallel",44.1833333333333,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8823]],
        PARAMETER["Latitude of 2nd standard parallel",45.7,
            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) - Michigan - counties of Alcona; Alpena; Antrim; Arenac; Benzie; Charlevoix; Cheboygan; Clare; Crawford; Emmet; Gladwin; Grand Traverse; Iosco; Kalkaska; Lake; Leelanau; Manistee; Mason; Missaukee; Montmorency; Ogemaw; Osceola; Oscoda; Otsego; Presque Isle; Roscommon; Wexford."],
        BBOX[43.8,-87.06,45.92,-82.27]],
    ID["EPSG",26812]]

Definition: ESRI Well Known Text

PROJCS["NAD_Michigan_StatePlane_Michigan_Central_FIPS_2112",
    GEOGCS["GCS_North_American_Michigan",
        DATUM["D_North_American_Michigan",
            SPHEROID["Clarke_1866_Michigan",6378450.0475489,294.978697164677]],
        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",-84.3333333333333],
    PARAMETER["Standard_Parallel_1",44.1833333333333],
    PARAMETER["Standard_Parallel_2",45.7],
    PARAMETER["Latitude_Of_Origin",43.3166666666667],
    UNIT["US survey foot",0.304800609601219]]

Definition: PROJ.4

+proj=lcc +lat_0=43.3166666666667 +lon_0=-84.3333333333333 +lat_1=44.1833333333333 +lat_2=45.7 +x_0=609601.219202438 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:26812","+proj=lcc +lat_0=43.3166666666667 +lon_0=-84.3333333333333 +lat_1=44.1833333333333 +lat_2=45.7 +x_0=609601.219202438 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +units=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "ProjectedCRS",
    "name": "NAD Michigan / Michigan Central",
    "base_crs": {
        "name": "NAD27 Michigan",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "NAD27 Michigan",
            "ellipsoid": {
                "name": "Clarke 1866 Michigan",
                "semi_major_axis": {
                    "value": 20926631.531,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "US survey foot",
                        "conversion_factor": 0.304800609601219
                    }
                },
                "semi_minor_axis": {
                    "value": 20855688.674,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "US survey foot",
                        "conversion_factor": 0.304800609601219
                    }
                }
            }
        },
        "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": 4268
        }
    },
    "conversion": {
        "name": "Michigan CS27 Central zone",
        "method": {
            "name": "Lambert Conic Conformal (2SP)",
            "id": {
                "authority": "EPSG",
                "code": 9802
            }
        },
        "parameters": [
            {
                "name": "Latitude of false origin",
                "value": 43.3166666666667,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8821
                }
            },
            {
                "name": "Longitude of false origin",
                "value": -84.3333333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8822
                }
            },
            {
                "name": "Latitude of 1st standard parallel",
                "value": 44.1833333333333,
                "unit": "degree",
                "id": {
                    "authority": "EPSG",
                    "code": 8823
                }
            },
            {
                "name": "Latitude of 2nd standard parallel",
                "value": 45.7,
                "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) - Michigan - counties of Alcona; Alpena; Antrim; Arenac; Benzie; Charlevoix; Cheboygan; Clare; Crawford; Emmet; Gladwin; Grand Traverse; Iosco; Kalkaska; Lake; Leelanau; Manistee; Mason; Missaukee; Montmorency; Ogemaw; Osceola; Oscoda; Otsego; Presque Isle; Roscommon; Wexford.",
    "bbox": {
        "south_latitude": 43.8,
        "west_longitude": -87.06,
        "north_latitude": 45.92,
        "east_longitude": -82.27
    },
    "id": {
        "authority": "EPSG",
        "code": 26812
    }
}

Definition: GeoServer

26812=PROJCS["NAD Michigan / Michigan Central (deprecated)",GEOGCS["NAD27 Michigan (deprecated)",DATUM["NAD27_Michigan",SPHEROID["Clarke 1866 Michigan",6378450.0475489,294.978697164677,AUTHORITY["EPSG","7009"]],AUTHORITY["EPSG","6268"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4268"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",43.3166666666667],PARAMETER["central_meridian",-84.3333333333333],PARAMETER["standard_parallel_1",44.1833333333333],PARAMETER["standard_parallel_2",45.7],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","26812"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=43.3166666666667"
	"lon_0=-84.3333333333333"
	"lat_1=44.1833333333333"
	"lat_2=45.7"
	"x_0=609601.219202438"
	"y_0=0"
	"a=6378450.0475489"
	"b=6356826.62148844"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=43.3166666666667 +lon_0=-84.3333333333333 +lat_1=44.1833333333333 +lat_2=45.7 +x_0=609601.219202438 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=43.3166666666667 +lon_0=-84.3333333333333 +lat_1=44.1833333333333 +lat_2=45.7 +x_0=609601.219202438 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +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 ( 26812, 'EPSG', 26812, '+proj=lcc +lat_0=43.3166666666667 +lon_0=-84.3333333333333 +lat_1=44.1833333333333 +lat_2=45.7 +x_0=609601.219202438 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD Michigan / Michigan Central (deprecated)",GEOGCS["NAD27 Michigan (deprecated)",DATUM["NAD27_Michigan",SPHEROID["Clarke 1866 Michigan",6378450.0475489,294.978697164677,AUTHORITY["EPSG","7009"]],AUTHORITY["EPSG","6268"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4268"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",43.3166666666667],PARAMETER["central_meridian",-84.3333333333333],PARAMETER["standard_parallel_1",44.1833333333333],PARAMETER["standard_parallel_2",45.7],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","26812"]]');