EPSG systems

EPSG:26798 NAD27 / Missouri West

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

System record
CodeEPSG:26798
NameNAD27 / Missouri West
TypeProjected system — Transverse Mercator
Area of use USA - Missouri - SPCS - W
United States (USA) - Missouri - counties of Andrew; Atchison; Barry; Barton; Bates; Buchanan; Caldwell; Cass; Cedar; Clay; Clinton; Dade; Daviess; De Kalb; Gentry; Harrison; Henry; Holt; Jackson; Jasper; Johnson; Lafayette; Lawrence; McDonald; Newton; Nodaway; Platte; Ray; St Clair; Vernon; Worth.
Bounds W -95,77° · S 36,48° · E -93,48° · N 40,59°
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 (6) (EPSG:1175) — accuracy 7 m
ScopeEngineering survey, topographic mapping.

Projection parameters

ParameterValueUnit
Latitude of natural origin36.166666666666664degree
Longitude of natural origin-94.5degree
Scale factor at natural origin0.999941177unity
False easting500000US survey foot
False northing0US survey foot

proj4 definition

+proj=tmerc +lat_0=36.1666666666667 +lon_0=-94.5 +k=0.999941177 +x_0=152400.30480061 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,159,175 +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:26798.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1927_StatePlane_Missouri_West_FIPS_2403",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",-94.5],PARAMETER["Scale_Factor",0.999941177],PARAMETER["Latitude_Of_Origin",36.1666666666667],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.