EPSG systems

EPSG:8538 NAD83(2011) / KS RCS zone 18

Projected system (Lambert Conic Conformal (1SP)) in use: USA - Kansas - Arkansas City. The full definition below, and conversion in one click.

System record
CodeEPSG:8538
NameNAD83(2011) / KS RCS zone 18
TypeProjected system — Lambert Conic Conformal (1SP)
Area of use USA - Kansas - Arkansas City
United States (USA) - Kansas - counties of Cowley; Harper; Sumner.
Bounds W -98,35° · S 36,99° · E -96,52° · N 37,48°
Countries United States
DatumNAD83 (National Spatial Reference System 2011)
Ellipsoid GRS 1980 a = 6378137 m · 1/f = 298.257222101
Base geographic system EPSG:6318 — NAD83(2011)
Unit US survey foot (X east, Y north)
Transformation to WGS 84 NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m
ScopeHighway engineering.

Projection parameters

ParameterValueUnit
Latitude of natural origin37.18333333333333degree
Longitude of natural origin-97.5degree
Scale factor at natural origin1.000055unity
False easting18500000US survey foot
False northing200000US survey foot

proj4 definition

+proj=lcc +lat_1=37.1833333333333 +lat_0=37.1833333333333 +lon_0=-97.5 +k_0=1.000055 +x_0=5638811.27762256 +y_0=60960.1219202439 +ellps=GRS80 +units=us-ft +towgs84=0,0,0 +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:8538.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_2011_KS_RCS_Zone_18",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",18500000.0],PARAMETER["False_Northing",200000.0],PARAMETER["Central_Meridian",-97.5],PARAMETER["Standard_Parallel_1",37.1833333333333],PARAMETER["Scale_Factor",1.000055],PARAMETER["Latitude_Of_Origin",37.1833333333333],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.