EPSG systems

EPSG:5625 NAD27 / Michigan West

Projected system (Transverse Mercator) in use: USA - Michigan - SPCS - W. The full definition below, and conversion in one click.

System record
CodeEPSG:5625
NameNAD27 / Michigan West
TypeProjected system — Transverse Mercator
Area of use USA - Michigan - SPCS - W
United States (USA) - Michigan - counties of Baraga; Dickinson; Gogebic; Houghton; Iron; Keweenaw; Marquette; Menominee; Ontonagon.
Bounds W -90,42° · S 45,09° · E -83,44° · N 48,32°
Countries United States
DatumNorth American Datum 1927
Ellipsoid Clarke 1866 a = 6378206.4 m · 1/f = 294.978698214
Base geographic system EPSG:4267 — NAD27
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD27 to WGS 84 (4) (EPSG:1173) — accuracy 10 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin41.5degree
Longitude of natural origin-88.75degree
Scale factor at natural origin0.999909091unity
False easting500000US survey foot
False northing0US survey foot

proj4 definition

+proj=tmerc +lat_0=41.5 +lon_0=-88.75 +k=0.999909091 +x_0=152400.30480061 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,160,176 +no_defs

Paste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:5625.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1927_StatePlane_Michigan_West_Old_FIPS_2103",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["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-88.75],PARAMETER["Scale_Factor",0.999909091],PARAMETER["Latitude_Of_Origin",41.5],UNIT["US survey foot",0.304800609601219]]

All systems — United States

Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.