Geocentric translations (geog2D domain)
For many purposes NAD83(2011) can be considered to be coincident with WGS 84. This approximation ignores the ~2.2m offset of NAD83 from the geocentre, the low accuracy of the WGS 84 ensemble and the application of tectonic plate motion to WGS 84 data.
IOGP
2021-09-08
US survey foot
NAD83 (National Spatial Reference System 2011)
EPSG
Iowa Department of Transportation.
2015-04-25
8115802.57 10028307.16
-25591404.59 -2604554.26
28281166.07 33072243.74
167.65 14.92
-63.88 74.71
Definition: OGC Well Known Text
PROJCS["NAD83(2011) / IaRCS zone 6", GEOGCS["NAD83(2011)", DATUM["NAD83_National_Spatial_Reference_System_2011", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","6318"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",40.25], PARAMETER["central_meridian",-95.7333333333333], PARAMETER["scale_factor",1.000039], PARAMETER["false_easting",16500000], PARAMETER["false_northing",6600000], UNIT["US survey foot",0.304800609601219], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","7062"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD83(2011) / IaRCS zone 6", BASEGEOGCRS["NAD83(2011)", DATUM["NAD83 (National Spatial Reference System 2011)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",6318]], CONVERSION["Iowa regional zone 6 Council Bluffs", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",40.25, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-95.7333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",1.000039, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",16500000, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8806]], PARAMETER["False northing",6600000, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["US survey foot",0.304800609601219]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["US survey foot",0.304800609601219]], USAGE[ SCOPE["Highway engineering."], AREA["United States (USA) - Iowa - counties of Crawford; Fremont; Harrison; Mills; Monona; Pottawattamie; Shelby."], BBOX[40.58,-96.37,42.22,-95.04]], ID["EPSG",7062]]
Definition: ESRI Well Known Text
PROJCS["NAD_1983_(2011)_IaRCS_zone_6", 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["Transverse_Mercator"], PARAMETER["False_Easting",16500000.0], PARAMETER["False_Northing",6600000.0], PARAMETER["Central_Meridian",-95.7333333333333], PARAMETER["Scale_Factor",1.000039], PARAMETER["Latitude_Of_Origin",40.25], UNIT["US survey foot",0.304800609601219]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83(2011) / IaRCS zone 6", "base_crs": { "name": "NAD83(2011)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System 2011)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6318 } }, "conversion": { "name": "Iowa regional zone 6 Council Bluffs", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 40.25, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -95.7333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 1.000039, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 16500000, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 6600000, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } } ] }, "scope": "Highway engineering.", "area": "United States (USA) - Iowa - counties of Crawford; Fremont; Harrison; Mills; Monona; Pottawattamie; Shelby.", "bbox": { "south_latitude": 40.58, "west_longitude": -96.37, "north_latitude": 42.22, "east_longitude": -95.04 }, "id": { "authority": "EPSG", "code": 7062 } }
Definition: GeoServer
7062=PROJCS["NAD83(2011) / IaRCS zone 6",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",40.25],PARAMETER["central_meridian",-95.7333333333333],PARAMETER["scale_factor",1.000039],PARAMETER["false_easting",16500000],PARAMETER["false_northing",6600000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7062"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=40.25 +lon_0=-95.7333333333333 +k=1.000039 +x_0=5029210.05842011 +y_0=2011684.02336805 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=40.25 +lon_0=-95.7333333333333 +k=1.000039 +x_0=5029210.05842011 +y_0=2011684.02336805 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7062, 'EPSG', 7062, '+proj=tmerc +lat_0=40.25 +lon_0=-95.7333333333333 +k=1.000039 +x_0=5029210.05842011 +y_0=2011684.02336805 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD83(2011) / IaRCS zone 6",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",40.25],PARAMETER["central_meridian",-95.7333333333333],PARAMETER["scale_factor",1.000039],PARAMETER["false_easting",16500000],PARAMETER["false_northing",6600000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","7062"]]');