EPSG:7057 NAD83(2011) / IaRCS zone 1
Projected system (Lambert Conic Conformal (1SP)) in use: USA - Iowa - Spencer. The full definition below, and conversion in one click.
| Code | EPSG:7057 |
|---|---|
| Name | NAD83(2011) / IaRCS zone 1 |
| Type | Projected system — Lambert Conic Conformal (1SP) |
| Area of use |
USA - Iowa - Spencer United States (USA) - Iowa - counties of Clay; Dickinson; Emmet; Kossuth; Lyon; O'Brien; Osceola; Palo Alto; Sioux. |
| Bounds | W -96,60° · S 42,90° · E -93,97° · N 43,51° |
| Countries | United States |
| Datum | NAD83 (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 |
| Scope | Highway engineering. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 43.2 | degree |
| Longitude of natural origin | -95.25 | degree |
| Scale factor at natural origin | 1.000052 | unity |
| False easting | 11500000 | US survey foot |
| False northing | 9600000 | US survey foot |
proj4 definition
+proj=lcc +lat_1=43.2 +lat_0=43.2 +lon_0=-95.25 +k_0=1.000052 +x_0=3505207.01041402 +y_0=2926085.8521717 +ellps=GRS80 +units=us-ft +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:7057.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_(2011)_IaRCS_zone_1",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",11500000.0],PARAMETER["False_Northing",9600000.0],PARAMETER["Central_Meridian",-95.25],PARAMETER["Standard_Parallel_1",43.2],PARAMETER["Scale_Factor",1.000052],PARAMETER["Latitude_Of_Origin",43.2],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:7058NAD83(2011) / IaRCS zone 2
- EPSG:7059NAD83(2011) / IaRCS zone 3
- EPSG:7060NAD83(2011) / IaRCS zone 4
- EPSG:7061NAD83(2011) / IaRCS zone 5
- EPSG:7062NAD83(2011) / IaRCS zone 6
- EPSG:7063NAD83(2011) / IaRCS zone 7
- EPSG:7064NAD83(2011) / IaRCS zone 8
- EPSG:7065NAD83(2011) / IaRCS zone 9
- EPSG:7066NAD83(2011) / IaRCS zone 10
- EPSG:7067NAD83(2011) / IaRCS zone 11
- EPSG:7068NAD83(2011) / IaRCS zone 12
- EPSG:7069NAD83(2011) / IaRCS zone 13
- EPSG:7070NAD83(2011) / IaRCS zone 14
- EPSG:7109NAD83(2011) / RMTCRS St Mary (m)
- EPSG:7110NAD83(2011) / RMTCRS Blackfeet (m)
- EPSG:7111NAD83(2011) / RMTCRS Milk River (m)
- EPSG:7112NAD83(2011) / RMTCRS Fort Belknap (m)
- EPSG:7113NAD83(2011) / RMTCRS Fort Peck Assiniboine (m)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.