EPSG:23317 NAD83(2011) / ICS83-Macomb (ftUS)
Projected system (Transverse Mercator) in use: USA - Illinois - Brown, McDonough, Schuyler. The full definition below, and conversion in one click.
| Code | EPSG:23317 |
|---|---|
| Name | NAD83(2011) / ICS83-Macomb (ftUS) |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - Illinois - Brown, McDonough, Schuyler United States (USA) - Illinois - counties of Brown, McDonough and Schuyler. |
| Bounds | W -90,92° · S 39,83° · E -90,19° · N 40,64° |
| 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 (N north, E east) |
| Transformation to WGS 84 | NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m |
| Scope | Engineering survey, topographic mapping (large and medium scale). |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 36.8 | degree |
| Longitude of natural origin | -90.6 | degree |
| Scale factor at natural origin | 1.000024 | unity |
| False easting | 7710000 | US survey foot |
| False northing | 492000 | US survey foot |
proj4 definition
+proj=tmerc +lat_0=36.8 +lon_0=-90.6 +k=1.000024 +x_0=2350012.7000254 +y_0=149961.8999238 +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:23317.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_(2011)_ICS_Macomb_(US_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["Transverse_Mercator"],PARAMETER["False_Easting",7710000.0],PARAMETER["False_Northing",492000.0],PARAMETER["Central_Meridian",-90.6],PARAMETER["Scale_Factor",1.000024],PARAMETER["Latitude_Of_Origin",36.8],UNIT["US survey foot",0.304800609601219]]
Other systems — United States
- EPSG:23308NAD83(2011) / ICS83-Joliet (ftUS)
- EPSG:23309NAD83(2011) / ICS83-Monmouth (ftUS)
- EPSG:23310NAD83(2011) / ICS83-Galesburg (ftUS)
- EPSG:23311NAD83(2011) / ICS83-Peoria (ftUS)
- EPSG:23312NAD83(2011) / ICS83-Eureka (ftUS)
- EPSG:23313NAD83(2011) / ICS83-Bloomington (ftUS)
- EPSG:23314NAD83(2011) / ICS83-Pontiac (ftUS)
- EPSG:23315NAD83(2011) / ICS83-Watseka (ftUS)
- EPSG:23316NAD83(2011) / ICS83-Quincy (ftUS)
- EPSG:23318NAD83(2011) / ICS83-Lincoln (ftUS)
- EPSG:23319NAD83(2011) / ICS83-Decatur (ftUS)
- EPSG:23320NAD83(2011) / ICS83-Champaign (ftUS)
- EPSG:23321NAD83(2011) / ICS83-Jacksonville (ftUS)
- EPSG:23322NAD83(2011) / ICS83-Springfield (ftUS)
- EPSG:23323NAD83(2011) / ICS83-Charleston (ftUS)
- EPSG:23324NAD83(2011) / ICS83-Jerseyville (ftUS)
- EPSG:23325NAD83(2011) / ICS83-Carlinville (ftUS)
- EPSG:23326NAD83(2011) / ICS83-Taylorville (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.