EPSG systems

EPSG:7597 NAD83(2011) / WISCRS Columbia (ftUS)

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

System record
CodeEPSG:7597
NameNAD83(2011) / WISCRS Columbia (ftUS)
TypeProjected system — Lambert Conic Conformal (1SP)
Area of use USA - Wisconsin - Columbia
United States (USA) - Wisconsin - Columbia county.
Bounds W -89,79° · S 43,28° · E -89,00° · N 43,65°
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
ScopeEngineering survey.

Projection parameters

ParameterValueUnit
Latitude of natural origin43.462546645833335degree
Longitude of natural origin-89.39444444444445degree
Scale factor at natural origin1.00003498unity
False easting554999.999US survey foot
False northing366041.307US survey foot

proj4 definition

+proj=lcc +lat_1=43.4625466458333 +lat_0=43.4625466458333 +lon_0=-89.3944444444444 +k_0=1.00003498 +x_0=169164.338023876 +y_0=111569.613512827 +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:7597.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_2011_WISCRS_Columbia_Feet",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",554999.999],PARAMETER["False_Northing",366041.307],PARAMETER["Central_Meridian",-89.3944444444444],PARAMETER["Standard_Parallel_1",43.4625466458333],PARAMETER["Scale_Factor",1.00003498],PARAMETER["Latitude_Of_Origin",43.4625466458333],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.