EPSG
National Geodetic Survey http://www.ngs.noaa.gov/INFO/Policy/st_plane.html
2023-11-22
Engineering survey, topographic mapping.
State law defines grid unit as US Survey feet. For equivalent metric Federal definition see code 12031.
(0,)
Definition: OGC Well Known Text
PROJECTION["Lambert_Conformal_Conic_2SP"], PARAMETER["latitude_of_origin",41], PARAMETER["central_meridian",-71.5], PARAMETER["standard_parallel_1",42.6833333333333], PARAMETER["standard_parallel_2",41.7166666666667], PARAMETER["false_easting",200000.0001016], PARAMETER["false_northing",750000]
Definition: OGC Well Known Text 2 (2019)
CONVERSION["SPCS83 Massachusetts Mainland zone (US survey foot)", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",41, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-71.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",42.6833333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",41.7166666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",656166.667, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8826]], PARAMETER["Northing at false origin",2460625, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8827]], ID["EPSG",15331]]
Definition: ESRI Well Known Text
PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",200000.0001016], 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]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Conversion", "name": "SPCS83 Massachusetts Mainland zone (US survey foot)", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 41, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -71.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 42.6833333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 41.7166666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 656166.667, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 2460625, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8827 } } ], "id": { "authority": "EPSG", "code": 15331 } }
Definition: GeoServer
15331=PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",41],PARAMETER["central_meridian",-71.5],PARAMETER["standard_parallel_1",42.6833333333333],PARAMETER["standard_parallel_2",41.7166666666667],PARAMETER["false_easting",200000.0001016],PARAMETER["false_northing",750000]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=41 +lon_0=-71.5 +lat_1=42.6833333333333 +lat_2=41.7166666666667 +x_0=200000.0001016 +y_0=750000"> <Layer srs="+proj=lcc +lat_0=41 +lon_0=-71.5 +lat_1=42.6833333333333 +lat_2=41.7166666666667 +x_0=200000.0001016 +y_0=750000"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 15331, 'EPSG', 15331, '+proj=lcc +lat_0=41 +lon_0=-71.5 +lat_1=42.6833333333333 +lat_2=41.7166666666667 +x_0=200000.0001016 +y_0=750000', 'PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",41],PARAMETER["central_meridian",-71.5],PARAMETER["standard_parallel_1",42.6833333333333],PARAMETER["standard_parallel_2",41.7166666666667],PARAMETER["false_easting",200000.0001016],PARAMETER["false_northing",750000]');