EPSG:5623 — NAD27 / Michigan East

Projected · USA - Michigan - SPCS - E

Export Formats

OGC WKT

PROJCS[
    "NAD27 / Michigan East",
    GEOGCS[
        "NAD27",
        DATUM[
            "North_American_Datum_1927",
            SPHEROID["Clarke 1866",6378206.4,294.978698213898],
            EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4267"]
    ],
    PROJECTION["Transverse_Mercator"],
    PARAMETER["latitude_of_origin",41.5],
    PARAMETER["central_meridian",-83.6666666666667],
    PARAMETER["scale_factor",0.999942857],
    PARAMETER["false_easting",500000],
    PARAMETER["false_northing",0],
    UNIT["US survey foot",0.304800609601219],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","5623"]
]

WKT2

PROJCRS[
    "NAD27 / Michigan East",
    BASEGEOGCRS[
        "NAD27",
        DATUM[
            "North American Datum 1927",
            ELLIPSOID[
                "Clarke 1866",
                6378206.4,
                294.978698213898,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7008]
            ],
            ID["EPSG",6267]
        ],
        ID["EPSG",4267]
    ],
    CONVERSION[
        "Michigan State Plane East zone",
        METHOD["Transverse Mercator",ID["EPSG",9807]],
        PARAMETER[
            "Latitude of natural origin",
            41.5000000000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8801]
        ],
        PARAMETER[
            "Longitude of natural origin",
            -83.666666666667,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8802]
        ],
        PARAMETER[
            "Scale factor at natural origin",
            0.999942857,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",8805]
        ],
        PARAMETER[
            "False easting",
            500000,
            LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
            ID["EPSG",8806]
        ],
        PARAMETER[
            "False northing",
            0,
            LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
            ID["EPSG",8807]
        ],
        ID["EPSG",12101]
    ],
    CS[Cartesian,2,ID["EPSG",4497]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
    ID["EPSG",5623]
]

PROJ.4

+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:5623", "+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 5623,
  "name": "NAD27 / Michigan East",
  "kind": "projected",
  "area": "USA - Michigan - SPCS - E",
  "unit": "US survey foot",
  "bbox": [
    41.69,
    -84.87,
    46.04,
    -82.13
  ],
  "proj4": "+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5623, 'EPSG', 5623, '+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / Michigan East",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-83.6666666666667],PARAMETER["scale_factor",0.999942857],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5623"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=tmerc"
  "+lat_0=41.5"
  "+lon_0=-83.6666666666667"
  "+k=0.999942857"
  "+x_0=152400.30480061"
  "+y_0=0"
  "+ellps=clrk66"
  "+nadgrids=NTv2_0.gsb"
  "+units=us-ft"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

5623=PROJCS["NAD27 / Michigan East",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-83.6666666666667],PARAMETER["scale_factor",0.999942857],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5623"]]

Related Coordinate Systems

Available Transformations (168)

Transformations inherited from base CRS: EPSG:4267 (NAD27)

Transformation	Source → Target	Accuracy (m)
NAD27 to NAD83 (1)	4267 → 4269	0.15
NAD27 to NAD83 (7)	4267 → 4269	0.15
NAD27 to NAD83(HARN) (22)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (1)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (2)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (3)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (4)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (5)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (6)	4267 → 4152	0.2
NAD27 to NAD83(HARN) (7)	4267 → 4152	0.2

Other CRS using North American Datum 1927 (194)

Frequently Asked Questions

How do I add EPSG:5623 to GeoServer?

Add the following definition to your GeoServer configuration:

5623=PROJCS["NAD27 / Michigan East",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-83.6666666666667],PARAMETER["scale_factor",0.999942857],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5623"]]

Read the full GeoServer guide →

How do I add EPSG:5623 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (5623, 'EPSG', 5623, '+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs', 'PROJCS["NAD27 / Michigan East",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898],EXTENSION["PROJ4_GRIDS","NTv2_0.gsb"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-83.6666666666667],PARAMETER["scale_factor",0.999942857],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","5623"]]');

Read the full PostGIS guide →

How do I add EPSG:5623 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=tmerc"
  "+lat_0=41.5"
  "+lon_0=-83.6666666666667"
  "+k=0.999942857"
  "+x_0=152400.30480061"
  "+y_0=0"
  "+ellps=clrk66"
  "+nadgrids=NTv2_0.gsb"
  "+units=us-ft"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:5623 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:5623", "+proj=tmerc +lat_0=41.5 +lon_0=-83.6666666666667 +k=0.999942857 +x_0=152400.30480061 +y_0=0 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

US survey foot

Geodetic CRS

NAD27

Datum

North American Datum 1927

Ellipsoid

Clarke 1866

Prime Meridian

Greenwich

Area of Use

USA - Michigan - SPCS - E

United States (USA) - Michigan - counties of Alcona; Alpena; Arenac; Bay; Cheboygan; Chippewa; Clint…

Coordinate System

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

WGS84 Bounds

46.04 -84.87-82.13 41.69

Data Source

EPSG

Information Source

National Geodetic Survey publication 65-1 part 20.

Revision Date

2021-05-13

Scope

Engineering survey, topographic mapping.

Remarks

Introduced 1934. After 1964, this Transverse Mercator (TM) zone replaced by NAD27 / Michigan Central and NAD27 / Michigan South Lambert Conic Conformal (LCC) zones (CRS codes 6201 and 6202).

EPSG

5623