US survey foot
Engineering survey, topographic mapping.
None
United States (USA) - Louisiana - counties of Acadia; Allen; Ascension; Assumption; Beauregard; Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St Bernard; St Charles; St Helena; St James; St John the Baptist; St Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; Vermilion; Washington; West Baton Rouge; West Feliciana. Also Gulf of Mexico outer continental shelf (GoM OCS) protraction areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur.
Data Source: EPSG v11.016 2024-08-31
Datum: North American Datum 1927
Coordinate System: cartesian
Projection: Louisiana CS27 South zone
Geodetic CRS: NAD27
PROJCRS["NAD27 / Louisiana South", BASEGEOGCRS["NAD27", DATUM["North American Datum 1927", ELLIPSOID["Clarke 1866",6378206.4,294.978698213898, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4267]], CONVERSION["Louisiana CS27 South zone", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",28.6666666666667, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-91.3333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",29.3, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",30.7, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",2000000, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8826]], PARAMETER["Northing at false origin",0, LENGTHUNIT["US survey foot",0.304800609601219], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["US survey foot",0.304800609601219]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["US survey foot",0.304800609601219]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - Louisiana - counties of Acadia; Allen; Ascension; Assumption; Beauregard; Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St Bernard; St Charles; St Helena; St James; St John the Baptist; St Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; Vermilion; Washington; West Baton Rouge; West Feliciana. Also Gulf of Mexico outer continental shelf (GoM OCS) protraction areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur."], BBOX[27.82,-93.94,31.07,-87.76]], ID["EPSG",26782]]
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD27 / Louisiana South", "base_crs": { "name": "NAD27", "datum": { "type": "GeodeticReferenceFrame", "name": "North American Datum 1927", "ellipsoid": { "name": "Clarke 1866", "semi_major_axis": 6378206.4, "semi_minor_axis": 6356583.8 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4267 } }, "conversion": { "name": "Louisiana CS27 South zone", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 28.6666666666667, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -91.3333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 29.3, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 30.7, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 2000000, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 0, "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 }, "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": { "type": "LinearUnit", "name": "US survey foot", "conversion_factor": 0.304800609601219 } } ] }, "scope": "Engineering survey, topographic mapping.", "area": "United States (USA) - Louisiana - counties of Acadia; Allen; Ascension; Assumption; Beauregard; Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St Bernard; St Charles; St Helena; St James; St John the Baptist; St Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; Vermilion; Washington; West Baton Rouge; West Feliciana. Also Gulf of Mexico outer continental shelf (GoM OCS) protraction areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay Marchand; South Timbalier; Grand Isle; West Delta; South Pass; Main Pass; Breton Sound; Chandeleur.", "bbox": { "south_latitude": 27.82, "west_longitude": -93.94, "north_latitude": 31.07, "east_longitude": -87.76 }, "id": { "authority": "EPSG", "code": 26782 } }
{'crs_wkt': 'PROJCRS["NAD27 / Louisiana ' 'South",BASEGEOGCRS["NAD27",DATUM["North American Datum ' '1927",ELLIPSOID["Clarke ' '1866",6378206.4,294.978698213898,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4267]],CONVERSION["Louisiana ' 'CS27 South zone",METHOD["Lambert Conic Conformal ' '(2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false ' 'origin",28.6666666666667,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude ' 'of false ' 'origin",-91.3333333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude ' 'of 1st standard ' 'parallel",29.3,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude ' 'of 2nd standard ' 'parallel",30.7,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting ' 'at false origin",2000000,LENGTHUNIT["US survey ' 'foot",0.304800609601219],ID["EPSG",8826]],PARAMETER["Northing at ' 'false origin",0,LENGTHUNIT["US survey ' 'foot",0.304800609601219],ID["EPSG",8827]]],CS[Cartesian,2],AXIS["easting ' '(X)",east,ORDER[1],LENGTHUNIT["US survey ' 'foot",0.304800609601219]],AXIS["northing ' '(Y)",north,ORDER[2],LENGTHUNIT["US survey ' 'foot",0.304800609601219]],USAGE[SCOPE["Engineering survey, ' 'topographic mapping."],AREA["United States (USA) - Louisiana - ' 'counties of Acadia; Allen; Ascension; Assumption; Beauregard; ' 'Calcasieu; Cameron; East Baton Rouge; East Feliciana; Evangeline; ' 'Iberia; Iberville; Jefferson; Jefferson Davis; Lafayette; ' 'LaFourche; Livingston; Orleans; Plaquemines; Pointe Coupee; St ' 'Bernard; St Charles; St Helena; St James; St John the Baptist; St ' 'Landry; St Martin; St Mary; St Tammany; Tangipahoa; Terrebonne; ' 'Vermilion; Washington; West Baton Rouge; West Feliciana. Also ' 'Gulf of Mexico outer continental shelf (GoM OCS) protraction ' 'areas Sabine Pass (LA); West Cameron; East Cameron; Vermilion; ' 'South Marsh Island; Eugene Island; Ship Shoal; South Pelto; Bay ' 'Marchand; South Timbalier; Grand Isle; West Delta; South Pass; ' 'Main Pass; Breton Sound; ' 'Chandeleur."],BBOX[27.82,-93.94,31.07,-87.76]],ID["EPSG",26782]]', 'false_easting': 2000000.0, 'false_northing': 0.0, 'geographic_crs_name': 'NAD27', 'grid_mapping_name': 'lambert_conformal_conic', 'horizontal_datum_name': 'North American Datum 1927', 'inverse_flattening': 294.9786982138982, 'latitude_of_projection_origin': 28.666666666666668, 'longitude_of_central_meridian': -91.33333333333333, 'longitude_of_prime_meridian': 0.0, 'prime_meridian_name': 'Greenwich', 'projected_crs_name': 'NAD27 / Louisiana South', 'reference_ellipsoid_name': 'Clarke 1866', 'semi_major_axis': 6378206.4, 'semi_minor_axis': 6356583.8, 'standard_parallel': (29.3, 30.7)}