EPSG:CODE

EPSG:6201 — NAD27 / Michigan Central

Projected · USA - Michigan - SPCS - C

Export Formats

WKT2
PROJCRS[
    "NAD27 / Michigan Central",
    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 CS27 Central zone",
        METHOD["Lambert Conic Conformal (2SP Michigan)",ID["EPSG",1051]],
        PARAMETER[
            "Latitude of false origin",
            43.3166666666669,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8821]
        ],
        PARAMETER[
            "Longitude of false origin",
            -84.3333333333336,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8822]
        ],
        PARAMETER[
            "Latitude of 1st standard parallel",
            44.1833333333336,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8823]
        ],
        PARAMETER[
            "Latitude of 2nd standard parallel",
            45.7000000000003,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8824]
        ],
        PARAMETER[
            "Easting at false origin",
            2000000,
            LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
            ID["EPSG",8826]
        ],
        PARAMETER[
            "Northing at false origin",
            0,
            LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
            ID["EPSG",8827]
        ],
        PARAMETER[
            "Ellipsoid scaling factor",
            1.0000382,
            SCALEUNIT["unity",1,ID["EPSG",9201]],
            ID["EPSG",1038]
        ],
        ID["EPSG",6198]
    ],
    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",6201]
]

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:6201 to PostGIS?

Add the following definition to your PostGIS configuration: 

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (6201, 'EPSG', 6201, '+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 +k_0=1.0000382 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs', '');
Read the full PostGIS guide →

How do I add EPSG:6201 to MapServer?

Add the following definition to your MapServer configuration: 

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"
  "+k_0=1.0000382"
  "+ellps=clrk66"
  "+nadgrids=NTv2_0.gsb"
  "+units=us-ft"
  "+no_defs"
  "+type=crs"
END
Read the full MapServer guide →

How do I use EPSG:6201 with Proj4js?

Add the following definition to your Proj4js configuration: 

proj4.defs("EPSG:6201", "+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 +k_0=1.0000382 +ellps=clrk66 +nadgrids=NTv2_0.gsb +units=us-ft +no_defs +type=crs");
Read the full Proj4js guide →