EPSG:2805 NAD83(HARN) / Massachusetts Mainland
Projected system (Lambert Conic Conformal (2SP)) in use: USA - Massachusetts - SPCS - mainland. The full definition below, and conversion in one click.
| Code | EPSG:2805 |
|---|---|
| Name | NAD83(HARN) / Massachusetts Mainland |
| Type | Projected system — Lambert Conic Conformal (2SP) |
| Area of use |
USA - Massachusetts - SPCS - mainland United States (USA) - Massachusetts onshore - counties of Barnstable; Berkshire; Bristol; Essex; Franklin; Hampden; Hampshire; Middlesex; Norfolk; Plymouth; Suffolk; Worcester. |
| Bounds | W -73,50° · S 41,46° · E -69,86° · N 42,89° |
| Countries | United States |
| Datum | NAD83 (High Accuracy Reference Network) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4152 — NAD83(HARN) |
| Unit | metre (X east, Y north) |
| Transformation to WGS 84 | NAD83(HARN) to WGS 84 (3) (EPSG:1901) — accuracy 1 m |
| Scope | Engineering survey, topographic mapping. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of false origin | 41 | degree |
| Longitude of false origin | -71.5 | degree |
| Latitude of 1st standard parallel | 42.68333333333333 | degree |
| Latitude of 2nd standard parallel | 41.71666666666667 | degree |
| Easting at false origin | 200000 | metre |
| Northing at false origin | 750000 | metre |
proj4 definition
+proj=lcc +lat_0=41 +lon_0=-71.5 +lat_1=42.6833333333333 +lat_2=41.7166666666667 +x_0=200000 +y_0=750000 +ellps=GRS80 +units=m +towgs84=-0.991,1.9072,0.5129,0.02579,0.00965,0.01166,0 +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:2805.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_HARN_StatePlane_Massachusetts_Mainland_FIPS_2001",GEOGCS["GCS_North_American_1983_HARN",DATUM["D_North_American_1983_HARN",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",200000.0],PARAMETER["False_Northing",750000.0],PARAMETER["Central_Meridian",-71.5],PARAMETER["Standard_Parallel_1",42.6833333333333],PARAMETER["Standard_Parallel_2",41.7166666666667],PARAMETER["Latitude_Of_Origin",41.0],UNIT["Meter",1.0]]Other systems — United States
- EPSG:2796NAD83(HARN) / Kansas North
- EPSG:2797NAD83(HARN) / Kansas South
- EPSG:2798NAD83(HARN) / Kentucky North
- EPSG:2799NAD83(HARN) / Kentucky South
- EPSG:2800NAD83(HARN) / Louisiana North
- EPSG:2801NAD83(HARN) / Louisiana South
- EPSG:2802NAD83(HARN) / Maine East
- EPSG:2803NAD83(HARN) / Maine West
- EPSG:2804NAD83(HARN) / Maryland
- EPSG:2806NAD83(HARN) / Massachusetts Island
- EPSG:2807NAD83(HARN) / Michigan North
- EPSG:2808NAD83(HARN) / Michigan Central
- EPSG:2809NAD83(HARN) / Michigan South
- EPSG:2810NAD83(HARN) / Minnesota North
- EPSG:2811NAD83(HARN) / Minnesota Central
- EPSG:2812NAD83(HARN) / Minnesota South
- EPSG:2813NAD83(HARN) / Mississippi East
- EPSG:2814NAD83(HARN) / Mississippi West
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.