EPSG:2251

NAD83 / Michigan North (ft)

Selected transformation

Method: NTv2

Grid Files: BC_93_98.GSB

Remarks: Derived through NAD83(CSRS)v2. Replaced by NAD83 to NAD83(CSRS) (7) (CT code 9117) for CRD, NAD83 to NAD83(CSRS) (8) (CT code 9118) for north Vancouver Island and NAD83 to NAD83(CSRS) (9) (CT code 9119) for mainland.

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

Revision date: 2019-07-15

Attributes

Unit: foot

Geodetic CRS: NAD83

Datum: North American Datum 1983

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: National Geodetic Survey http://www.ngs.noaa.gov/INFO/Policy/st_plane.html

Revision date: 2001-11-06

Scope: Engineering survey, topographic mapping.

Remarks: State law defines system in International feet (note: not US survey feet). Federal definition is metric - see code 26988. For applications with an accuracy of better than 3 feet, replaced by NAD83(HARN) / SPCS.

Area of use: United States (USA) - Michigan north of approximately 45°45'N - counties of Alger; Baraga; Chippewa; Delta; Dickinson; Gogebic; Houghton; Iron; Keweenaw; Luce; Mackinac; Marquette; Menominee; Ontonagon; Schoolcraft.

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

Center coordinates
18029978.3 5513476.42

Projected bounds:
14452727.59 2381011.53
21229096.12 8723761.33

WGS84 bounds:
-139.04 48.25
-114.08 60.01

Canada - British Columbia.
MapTiler banner

Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        PROJCRS["NAD83 / Michigan North (ft)",
            BASEGEOGCRS["NAD83",
                DATUM["North American Datum 1983",
                    ELLIPSOID["GRS 1980",6378137,298.257222101,
                        LENGTHUNIT["metre",1]]],
                PRIMEM["Greenwich",0,
                    ANGLEUNIT["degree",0.0174532925199433]],
                ID["EPSG",4269]],
            CONVERSION["SPCS83 Michigan North zone (international foot)",
                METHOD["Lambert Conic Conformal (2SP)",
                    ID["EPSG",9802]],
                PARAMETER["Latitude of false origin",44.7833333333333,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8821]],
                PARAMETER["Longitude of false origin",-87,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8822]],
                PARAMETER["Latitude of 1st standard parallel",47.0833333333333,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8823]],
                PARAMETER["Latitude of 2nd standard parallel",45.4833333333333,
                    ANGLEUNIT["degree",0.0174532925199433],
                    ID["EPSG",8824]],
                PARAMETER["Easting at false origin",26246719.16,
                    LENGTHUNIT["foot",0.3048],
                    ID["EPSG",8826]],
                PARAMETER["Northing at false origin",0,
                    LENGTHUNIT["foot",0.3048],
                    ID["EPSG",8827]]],
            CS[Cartesian,2],
                AXIS["easting (X)",east,
                    ORDER[1],
                    LENGTHUNIT["foot",0.3048]],
                AXIS["northing (Y)",north,
                    ORDER[2],
                    LENGTHUNIT["foot",0.3048]],
            USAGE[
                SCOPE["Engineering survey, topographic mapping."],
                AREA["United States (USA) - Michigan north of approximately 45°45'N - counties of Alger; Baraga; Chippewa; Delta; Dickinson; Gogebic; Houghton; Iron; Keweenaw; Luce; Mackinac; Marquette; Menominee; Ontonagon; Schoolcraft."],
                BBOX[45.08,-90.42,48.32,-83.44]],
            ID["EPSG",2251]]],
    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["NAD83 to NAD83(CSRS)v2 (6)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","BC_93_98.GSB"],
        USAGE[
            SCOPE["Geodesy."],
            AREA["Canada - British Columbia."],
            BBOX[48.25,-139.04,60.01,-114.08]],
        ID["EPSG",9116],
        REMARK["Derived through NAD83(CSRS)v2. Replaced by NAD83 to NAD83(CSRS) (7) (CT code 9117) for CRD, NAD83 to NAD83(CSRS) (8) (CT code 9118) for north Vancouver Island and NAD83 to NAD83(CSRS) (9) (CT code 9119) for mainland."]]]

Definition: PROJ.4

+proj=lcc +lat_0=44.7833333333333 +lon_0=-87 +lat_1=47.0833333333333 +lat_2=45.4833333333333 +x_0=7999999.999968 +y_0=0 +datum=NAD83 +units=ft +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:2251","+proj=lcc +lat_0=44.7833333333333 +lon_0=-87 +lat_1=47.0833333333333 +lat_2=45.4833333333333 +x_0=7999999.999968 +y_0=0 +datum=NAD83 +units=ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "ProjectedCRS",
        "name": "NAD83 / Michigan North (ft)",
        "base_crs": {
            "name": "NAD83",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "North American Datum 1983",
                "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": 4269
            }
        },
        "conversion": {
            "name": "SPCS83 Michigan North zone (international foot)",
            "method": {
                "name": "Lambert Conic Conformal (2SP)",
                "id": {
                    "authority": "EPSG",
                    "code": 9802
                }
            },
            "parameters": [
                {
                    "name": "Latitude of false origin",
                    "value": 44.7833333333333,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8821
                    }
                },
                {
                    "name": "Longitude of false origin",
                    "value": -87,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8822
                    }
                },
                {
                    "name": "Latitude of 1st standard parallel",
                    "value": 47.0833333333333,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8823
                    }
                },
                {
                    "name": "Latitude of 2nd standard parallel",
                    "value": 45.4833333333333,
                    "unit": "degree",
                    "id": {
                        "authority": "EPSG",
                        "code": 8824
                    }
                },
                {
                    "name": "Easting at false origin",
                    "value": 26246719.16,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "foot",
                        "conversion_factor": 0.3048
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8826
                    }
                },
                {
                    "name": "Northing at false origin",
                    "value": 0,
                    "unit": {
                        "type": "LinearUnit",
                        "name": "foot",
                        "conversion_factor": 0.3048
                    },
                    "id": {
                        "authority": "EPSG",
                        "code": 8827
                    }
                }
            ]
        },
        "coordinate_system": {
            "subtype": "Cartesian",
            "axis": [
                {
                    "name": "Easting",
                    "abbreviation": "X",
                    "direction": "east",
                    "unit": {
                        "type": "LinearUnit",
                        "name": "foot",
                        "conversion_factor": 0.3048
                    }
                },
                {
                    "name": "Northing",
                    "abbreviation": "Y",
                    "direction": "north",
                    "unit": {
                        "type": "LinearUnit",
                        "name": "foot",
                        "conversion_factor": 0.3048
                    }
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 2251
        }
    },
    "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": "NAD83 to NAD83(CSRS)v2 (6)",
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "BC_93_98.GSB",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 9116
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=44.7833333333333"
	"lon_0=-87"
	"lat_1=47.0833333333333"
	"lat_2=45.4833333333333"
	"x_0=7999999.999968"
	"y_0=0"
	"datum=NAD83"
	"units=ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=44.7833333333333 +lon_0=-87 +lat_1=47.0833333333333 +lat_2=45.4833333333333 +x_0=7999999.999968 +y_0=0 +datum=NAD83 +units=ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=44.7833333333333 +lon_0=-87 +lat_1=47.0833333333333 +lat_2=45.4833333333333 +x_0=7999999.999968 +y_0=0 +datum=NAD83 +units=ft +no_defs +type=crs">
	</Layer>
</Map>