EPSG systems

EPSG:7058 NAD83(2011) / IaRCS zone 2

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

System record
CodeEPSG:7058
NameNAD83(2011) / IaRCS zone 2
TypeProjected system — Lambert Conic Conformal (1SP)
Area of use USA - Iowa - Mason City
United States (USA) - Iowa - counties of Cerro Gordo; Chickasaw; Floyd; Hancock; Howard; Mitchell; Winnebago; Winneshiek; Worth.
Bounds W -93,98° · S 42,90° · E -91,60° · N 43,51°
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 origin43.166666666666664degree
Longitude of natural origin-92.75degree
Scale factor at natural origin1.000043unity
False easting12500000US survey foot
False northing9800000US survey foot

proj4 definition

+proj=lcc +lat_1=43.1666666666667 +lat_0=43.1666666666667 +lon_0=-92.75 +k_0=1.000043 +x_0=3810007.62001524 +y_0=2987045.97409195 +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:7058.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1983_(2011)_IaRCS_zone_2",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",12500000.0],PARAMETER["False_Northing",9800000.0],PARAMETER["Central_Meridian",-92.75],PARAMETER["Standard_Parallel_1",43.1666666666667],PARAMETER["Scale_Factor",1.000043],PARAMETER["Latitude_Of_Origin",43.1666666666667],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.