EPSG:3668 NAD83(NSRS2007) / Texas North (ftUS)
Projected system (Lambert Conic Conformal (2SP)) in use: USA - Texas - SPCS - N. The full definition below, and conversion in one click.
| Code | EPSG:3668 |
|---|---|
| Name | NAD83(NSRS2007) / Texas North (ftUS) |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
USA - Texas - SPCS - N United States (USA) - Texas - counties of: Armstrong; Briscoe; Carson; Castro; Childress; Collingsworth; Dallam; Deaf Smith; Donley; Gray; Hall; Hansford; Hartley; Hemphill; Hutchinson; Lipscomb; Moore; Ochiltree; Oldham; Parmer; Potter; Randall; Roberts; Sherman; Swisher; Wheeler. |
| Bounds | W -103,03° · S 34,30° · E -99,99° · N 36,50° |
| Countries | United States |
| Datum | NAD83 (National Spatial Reference System 2007) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4759 — NAD83(NSRS2007) |
| Unit | US survey foot (X east, Y north) |
| Transformation to WGS 84 | NAD83(NSRS2007) to WGS 84 (1) (EPSG:15931) — accuracy 2 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 34 | degree |
| Longitude of false origin | -101.5 | degree |
| Latitude of 1st standard parallel | 36.18333333333333 | degree |
| Latitude of 2nd standard parallel | 34.65 | degree |
| Easting at false origin | 656166.667 | US survey foot |
| Northing at false origin | 3280833.333 | US survey foot |
proj4 definition
+proj=lcc +lat_0=34 +lon_0=-101.5 +lat_1=36.1833333333333 +lat_2=34.65 +x_0=200000.0001016 +y_0=999999.9998984 +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:3668.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_NSRS2007_StatePlane_Texas_North_FIPS_4201_Ft_US",GEOGCS["GCS_NAD_1983_NSRS2007",DATUM["D_NAD_1983_NSRS2007",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",656166.667],PARAMETER["False_Northing",3280833.333],PARAMETER["Central_Meridian",-101.5],PARAMETER["Standard_Parallel_1",36.1833333333333],PARAMETER["Standard_Parallel_2",34.65],PARAMETER["Latitude_Of_Origin",34.0],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:3659NAD83(NSRS2007) / South Dakota South
- EPSG:3660NAD83(NSRS2007) / South Dakota South (ftUS)
- EPSG:3661NAD83(NSRS2007) / Tennessee
- EPSG:3662NAD83(NSRS2007) / Tennessee (ftUS)
- EPSG:3663NAD83(NSRS2007) / Texas Central
- EPSG:3664NAD83(NSRS2007) / Texas Central (ftUS)
- EPSG:3665NAD83(NSRS2007) / Texas Centric Albers Equal Area
- EPSG:3666NAD83(NSRS2007) / Texas Centric Lambert Conformal
- EPSG:3667NAD83(NSRS2007) / Texas North
- EPSG:3669NAD83(NSRS2007) / Texas North Central
- EPSG:3670NAD83(NSRS2007) / Texas North Central (ftUS)
- EPSG:3671NAD83(NSRS2007) / Texas South
- EPSG:3672NAD83(NSRS2007) / Texas South (ftUS)
- EPSG:3673NAD83(NSRS2007) / Texas South Central
- EPSG:3674NAD83(NSRS2007) / Texas South Central (ftUS)
- EPSG:3675NAD83(NSRS2007) / Utah Central
- EPSG:3676NAD83(NSRS2007) / Utah Central (ft)
- EPSG:3677NAD83(NSRS2007) / Utah Central (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.