EPSG:26740 NAD27 / Alaska zone 10
Projected system (Lambert Conic Conformal (2SP)) in use: USA - Alaska - Aleutian Islands. The full definition below, and conversion in one click.
| Code | EPSG:26740 |
|---|---|
| Name | NAD27 / Alaska zone 10 |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
USA - Alaska - Aleutian Islands United States (USA) - Alaska - Aleutian Islands onshore. |
| Bounds | W 172,42° · S 51,30° · E -164,84° · N 54,34° |
| 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 (3) (EPSG:1172) — accuracy 20 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 51 | degree |
| Longitude of false origin | -176 | degree |
| Latitude of 1st standard parallel | 53.833333333333336 | degree |
| Latitude of 2nd standard parallel | 51.833333333333336 | degree |
| Easting at false origin | 3000000 | US survey foot |
| Northing at false origin | 0 | US survey foot |
proj4 definition
+proj=lcc +lat_0=51 +lon_0=-176 +lat_1=53.8333333333333 +lat_2=51.8333333333333 +x_0=914401.828803658 +y_0=0 +a=6378206.4000000004 +rf=294.9786982139 +units=us-ft +towgs84=-10,158,187 +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:26740.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1927_StatePlane_Alaska_10_FIPS_5010",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",3000000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-176.0],PARAMETER["Standard_Parallel_1",53.8333333333333],PARAMETER["Standard_Parallel_2",51.8333333333333],PARAMETER["Latitude_Of_Origin",51.0],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:26730NAD27 / Alabama West
- 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:26741NAD27 / California zone I
- 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
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.