EPSG:26741 NAD27 / California zone I
Projected system (Lambert Conic Conformal (2SP)) in use: USA - California - SPCS - 1. The full definition below, and conversion in one click.
| Code | EPSG:26741 |
|---|---|
| Name | NAD27 / California zone I |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
USA - California - SPCS - 1 United States (USA) - California - counties Del Norte; Humboldt; Lassen; Modoc; Plumas; Shasta; Siskiyou; Tehama; Trinity. |
| Bounds | W -124,45° · S 39,59° · E -119,99° · N 42,01° |
| Countries | United States |
| Datum | North 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 (6) (EPSG:1175) — accuracy 7 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 39.333333333333336 | degree |
| Longitude of false origin | -122 | degree |
| Latitude of 1st standard parallel | 41.666666666666664 | degree |
| Latitude of 2nd standard parallel | 40 | degree |
| Easting at false origin | 2000000 | US survey foot |
| Northing at false origin | 0 | US survey foot |
proj4 definition
+proj=lcc +lat_0=39.3333333333333 +lon_0=-122 +lat_1=41.6666666666667 +lat_2=40 +x_0=609601.219202438 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-8,159,175 +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:26741.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1927_StatePlane_California_I_FIPS_0401",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",-122.0],PARAMETER["Standard_Parallel_1",41.6666666666667],PARAMETER["Standard_Parallel_2",40.0],PARAMETER["Latitude_Of_Origin",39.3333333333333],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:26731NAD27 / Alaska zone 1
- EPSG:26732NAD27 / Alaska zone 2
- EPSG:26733NAD27 / Alaska zone 3
- EPSG:26734NAD27 / Alaska zone 4
- EPSG:26735NAD27 / Alaska zone 5
- EPSG:26736NAD27 / Alaska zone 6
- EPSG:26737NAD27 / Alaska zone 7
- EPSG:26738NAD27 / Alaska zone 8
- EPSG:26739NAD27 / Alaska zone 9
- EPSG:26740NAD27 / Alaska zone 10
- EPSG:26742NAD27 / California zone II
- EPSG:26743NAD27 / California zone III
- EPSG:26744NAD27 / California zone IV
- EPSG:26745NAD27 / California zone V
- EPSG:26746NAD27 / California zone VI
- EPSG:26748NAD27 / Arizona East
- EPSG:26749NAD27 / Arizona Central
- EPSG:26750NAD27 / Arizona West
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.