ESRI
ESRI
NAD 1927 Michigan GeoRef (US Survey Feet)
1568801.41 1623495.32
432265.14 415455.25
2696537.15 2862410.26
-90.42 41.69
-82.13 48.32
Definition: OGC Well Known Text
PROJCS["NAD_1927_Michigan_GeoRef_Feet_US", GEOGCS["NAD27", DATUM["North_American_Datum_1927", SPHEROID["Clarke 1866",6378206.4,294.978698213898, AUTHORITY["EPSG","7008"]], AUTHORITY["EPSG","6267"]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","4267"]], PROJECTION["Hotine_Oblique_Mercator"], PARAMETER["latitude_of_center",45.3091666666667], PARAMETER["longitude_of_center",-86], PARAMETER["azimuth",337.25556], PARAMETER["rectified_grid_angle",337.25556], PARAMETER["scale_factor",0.9996], PARAMETER["false_easting",8355401.583], PARAMETER["false_northing",-14284780.538], UNIT["US survey foot",0.304800609601219, AUTHORITY["EPSG","9003"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["ESRI","102120"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD_1927_Michigan_GeoRef_Feet_US", BASEGEOGCRS["NAD27", DATUM["North American Datum 1927", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4267]], CONVERSION["NAD_1927_Michigan_GeoRef_Feet_US", METHOD["Hotine Oblique Mercator (variant A)", ID["EPSG",9812]], PARAMETER["Latitude of projection centre",45.3091666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8811]], PARAMETER["Longitude of projection centre",-86, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8812]], PARAMETER["Azimuth of initial line",337.25556, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8813]], PARAMETER["Angle from Rectified to Skew Grid",337.25556, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8814]], PARAMETER["Scale factor on initial line",0.9996, SCALEUNIT["unity",1], ID["EPSG",8815]], PARAMETER["False easting",8355401.583, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8806]], PARAMETER["False northing",-14284780.538, 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["Not known."], AREA["United States (USA) - Michigan."], BBOX[41.69,-90.42,48.32,-82.13]], ID["ESRI",102120]]
Definition: ESRI Well Known Text
PROJCS["NAD_1927_Michigan_GeoRef_Feet_US", GEOGCS["GCS_North_American_1927", DATUM["D_North_American_1927", SPHEROID["Clarke_1866",6378206.4,294.978698213898]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"], PARAMETER["False_Easting",8355401.583], PARAMETER["False_Northing",-14284780.538], PARAMETER["Scale_Factor",0.9996], PARAMETER["Azimuth",-22.74444], PARAMETER["Longitude_Of_Center",-86.0], PARAMETER["Latitude_Of_Center",45.3091666666667], UNIT["US survey foot",0.304800609601219]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD_1927_Michigan_GeoRef_Feet_US", "base_crs": { "name": "NAD27", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum 1927", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "semi_minor_axis": 6356583.8 } }, "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": 4267 } }, "conversion": { "name": "NAD_1927_Michigan_GeoRef_Feet_US", "method": { "name": "Hotine Oblique Mercator (variant A)", "id": { "authority": "EPSG", "code": 9812 } }, "parameters": [ { "name": "Latitude of projection centre", "value": 45.3091666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8811 } }, { "name": "Longitude of projection centre", "value": -86, "unit": "degree", "id": { "authority": "EPSG", "code": 8812 } }, { "name": "Azimuth of initial line", "value": 337.25556, "unit": "degree", "id": { "authority": "EPSG", "code": 8813 } }, { "name": "Angle from Rectified to Skew Grid", "value": 337.25556, "unit": "degree", "id": { "authority": "EPSG", "code": 8814 } }, { "name": "Scale factor on initial line", "value": 0.9996, "unit": "unity", "id": { "authority": "EPSG", "code": 8815 } }, { "name": "False easting", "value": 8355401.583, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": -14284780.538, "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": "Not known.", "area": "United States (USA) - Michigan.", "bbox": { "south_latitude": 41.69, "west_longitude": -90.42, "north_latitude": 48.32, "east_longitude": -82.13 }, "id": { "authority": "ESRI", "code": 102120 } }
Definition: GeoServer
102120=PROJCS["NAD_1927_Michigan_GeoRef_Feet_US",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.3091666666667],PARAMETER["longitude_of_center",-86],PARAMETER["azimuth",337.25556],PARAMETER["rectified_grid_angle",337.25556],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",8355401.583],PARAMETER["false_northing",-14284780.538],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102120"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=omerc +no_uoff +lat_0=45.3091666666667 +lonc=-86 +alpha=337.25556 +gamma=337.25556 +k=0.9996 +x_0=2546731.49596139 +y_0=-4354009.81600203 +datum=NAD27 +units=us-ft +no_defs +type=crs"> <Layer srs="+proj=omerc +no_uoff +lat_0=45.3091666666667 +lonc=-86 +alpha=337.25556 +gamma=337.25556 +k=0.9996 +x_0=2546731.49596139 +y_0=-4354009.81600203 +datum=NAD27 +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 ( 102120, 'ESRI', 102120, '+proj=omerc +no_uoff +lat_0=45.3091666666667 +lonc=-86 +alpha=337.25556 +gamma=337.25556 +k=0.9996 +x_0=2546731.49596139 +y_0=-4354009.81600203 +datum=NAD27 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD_1927_Michigan_GeoRef_Feet_US",GEOGCS["NAD27",DATUM["North_American_Datum_1927",SPHEROID["Clarke 1866",6378206.4,294.978698213898,AUTHORITY["EPSG","7008"]],AUTHORITY["EPSG","6267"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4267"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",45.3091666666667],PARAMETER["longitude_of_center",-86],PARAMETER["azimuth",337.25556],PARAMETER["rectified_grid_angle",337.25556],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",8355401.583],PARAMETER["false_northing",-14284780.538],UNIT["US survey foot",0.304800609601219,AUTHORITY["EPSG","9003"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["ESRI","102120"]]');