EPSG systems

EPSG:32028 NAD27 / Pennsylvania North

Projected system (Lambert Conic Conformal (2SP)) in use: USA - Pennsylvania - SPCS - N. The full definition below, and conversion in one click.

System record
CodeEPSG:32028
NameNAD27 / Pennsylvania North
TypeProjected system — Lambert Conic Conformal (2SP)
Area of use USA - Pennsylvania - SPCS - N
United States (USA) - Pennsylvania - counties of Bradford; Cameron; Carbon; Centre; Clarion; Clearfield; Clinton; Columbia; Crawford; Elk; Erie; Forest; Jefferson; Lackawanna; Luzerne; Lycoming; McKean; Mercer; Monroe; Montour; Northumberland; Pike; Potter; Sullivan; Susquehanna; Tioga; Union; Venango; Warren; Wayne; Wyoming.
Bounds W -80,53° · S 40,60° · E -74,70° · N 42,53°
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 false origin40.166666666666664degree
Longitude of false origin-77.75degree
Latitude of 1st standard parallel40.88333333333333degree
Latitude of 2nd standard parallel41.95degree
Easting at false origin2000000US survey foot
Northing at false origin0US survey foot

proj4 definition

+proj=lcc +lat_0=40.1666666666667 +lon_0=-77.75 +lat_1=40.8833333333333 +lat_2=41.95 +x_0=609601.219202438 +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:32028.

WKT (ESRI format, the .prj content)

PROJCS["NAD_1927_StatePlane_Pennsylvania_North_FIPS_3701",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["Lambert_Conformal_Conic"],PARAMETER["False_Easting",2000000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-77.75],PARAMETER["Standard_Parallel_1",40.8833333333333],PARAMETER["Standard_Parallel_2",41.95],PARAMETER["Latitude_Of_Origin",40.1666666666667],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.