Engineering survey, topographic mapping.
Replaced by NAD Michigan / Michigan Central and South zones (CRS codes 26812 and 26813).
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.
406476.63 885777.66
-7555.87 91096.01
813807.51 1685889.17
-87.61 41.75
-84.6 46.11
Definition: OGC Well Known Text
PROJCS["NAD Michigan / Michigan Old 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["Transverse_Mercator"], PARAMETER["latitude_of_origin",41.5], PARAMETER["central_meridian",-85.75], PARAMETER["scale_factor",0.999909091], PARAMETER["false_easting",500000], PARAMETER["false_northing",0], UNIT["US survey foot",0.304800609601219, AUTHORITY["EPSG","9003"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","26802"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD Michigan / Michigan Old 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 State Plane Old Central zone", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",41.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-85.75, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.999909091, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8807]]], 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 Alger; Allegan; Antrim; Barry; Benzie; Berrien; Branch; Calhoun; Cass; Charlevoix; Clare; Delta; Eaton; Emmet; Grand Traverse; Ionia; Isabella; Kalamazoo; Kalkaska; Kent; Lake; Leelanau; Luce; Mackinac; Manistee; Mason; Mecosta; Missaukee; Montcalm; Muskegon; Newaygo; Oceana; Osceola; Ottawa; St Joseph; Schoolcraft; Van Buren; Wexford."], BBOX[41.75,-87.61,46.11,-84.6]], ID["EPSG",26802]]
Definition: ESRI Well Known Text
PROJCS["NAD_Michigan_StatePlane_Michigan_Central_Old_FIPS_2102", 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["Transverse_Mercator"], PARAMETER["False_Easting",500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-85.75], PARAMETER["Scale_Factor",0.999909091], PARAMETER["Latitude_Of_Origin",41.5], UNIT["US survey foot",0.304800609601219]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD Michigan / Michigan Old 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 State Plane Old Central zone", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 41.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -85.75, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.999909091, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "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 Alger; Allegan; Antrim; Barry; Benzie; Berrien; Branch; Calhoun; Cass; Charlevoix; Clare; Delta; Eaton; Emmet; Grand Traverse; Ionia; Isabella; Kalamazoo; Kalkaska; Kent; Lake; Leelanau; Luce; Mackinac; Manistee; Mason; Mecosta; Missaukee; Montcalm; Muskegon; Newaygo; Oceana; Osceola; Ottawa; St Joseph; Schoolcraft; Van Buren; Wexford.", "bbox": { "south_latitude": 41.75, "west_longitude": -87.61, "north_latitude": 46.11, "east_longitude": -84.6 }, "id": { "authority": "EPSG", "code": 26802 } }
Definition: GeoServer
26802=PROJCS["NAD Michigan / Michigan Old 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["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-85.75],PARAMETER["scale_factor",0.999909091],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26802"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=41.5 +lon_0=-85.75 +k=0.999909091 +x_0=152400.30480061 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +units=us-ft +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=41.5 +lon_0=-85.75 +k=0.999909091 +x_0=152400.30480061 +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 ( 26802, 'EPSG', 26802, '+proj=tmerc +lat_0=41.5 +lon_0=-85.75 +k=0.999909091 +x_0=152400.30480061 +y_0=0 +a=6378450.0475489 +b=6356826.62148844 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD Michigan / Michigan Old 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["Transverse_Mercator"],PARAMETER["latitude_of_origin",41.5],PARAMETER["central_meridian",-85.75],PARAMETER["scale_factor",0.999909091],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","26802"]]');