EPSG:3992

Puerto Rico / St. Croix

Available transformations
to EPSG:4326

Selected transformation

Name: Puerto Rico to WGS 84 (1)

Grid Files: prvi.las prvi.los

Remarks: Approximation at the +/- 1m level assuming that NAD83 is equivalent to WGS 84.

Information source: OGP

Revision date: 1999-05-24

Attributes

Unit: US survey foot

Geodetic CRS: Puerto Rico

Datum: Puerto Rico

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Information source: US National Geodetic Survey

Revision date: 2009-09-05

Scope: Engineering survey, topographic mapping.

Remarks: Sometimes erroneously referred to as NAD27 / St. Croix State Plane CS.

Area of use: US Virgin Islands - onshore - St Croix, St John, and St Thomas.

Coordinate system: Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: ftUS.

Center coordinates
inf inf

Projected bounds:
inf inf
inf inf

WGS84 bounds:
-67.97 17.62
-64.25 18.78

Puerto Rico, US Virgin Islands and British Virgin Islands - onshore.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                PROJCRS["Puerto Rico / St. Croix",
                    BASEGEOGCRS["Puerto Rico",
                        DATUM["Puerto Rico",
                            ELLIPSOID["Clarke 1866",6378206.4,294.978698213898,
                                LENGTHUNIT["metre",1]]],
                        PRIMEM["Greenwich",0,
                            ANGLEUNIT["degree",0.0174532925199433]],
                        ID["EPSG",4139]],
                    CONVERSION["St. Croix CS27",
                        METHOD["Lambert Conic Conformal (2SP)",
                            ID["EPSG",9802]],
                        PARAMETER["Latitude of false origin",17.8333333333333,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8821]],
                        PARAMETER["Longitude of false origin",-66.4333333333333,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8822]],
                        PARAMETER["Latitude of 1st standard parallel",18.4333333333333,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8823]],
                        PARAMETER["Latitude of 2nd standard parallel",18.0333333333333,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8824]],
                        PARAMETER["Easting at false origin",500000,
                            LENGTHUNIT["US survey foot",0.304800609601219],
                            ID["EPSG",8826]],
                        PARAMETER["Northing at false origin",100000,
                            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]],
                    ID["EPSG",3992]]],
            TARGETCRS[
                GEOGCRS["NAD83",
                    DATUM["North American Datum 1983",
                        ELLIPSOID["GRS 1980",6378137,298.257222101,
                            LENGTHUNIT["metre",1]]],
                    PRIMEM["Greenwich",0,
                        ANGLEUNIT["degree",0.0174532925199433]],
                    CS[ellipsoidal,2],
                        AXIS["geodetic latitude (Lat)",north,
                            ORDER[1],
                            ANGLEUNIT["degree",0.0174532925199433]],
                        AXIS["geodetic longitude (Lon)",east,
                            ORDER[2],
                            ANGLEUNIT["degree",0.0174532925199433]],
                    ID["EPSG",4269],
                    REMARK["Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."]]],
            ABRIDGEDTRANSFORMATION["Puerto Rico to NAD83 (1)",
                METHOD["NADCON",
                    ID["EPSG",9613]],
                PARAMETERFILE["Latitude difference file","prvi.las"],
                PARAMETERFILE["Longitude difference file","prvi.los"],
                ID["EPSG",1461]]]],
    TARGETCRS[
        GEOGCRS["WGS 84",
            ENSEMBLE["World Geodetic System 1984 ensemble",
                MEMBER["World Geodetic System 1984 (Transit)"],
                MEMBER["World Geodetic System 1984 (G730)"],
                MEMBER["World Geodetic System 1984 (G873)"],
                MEMBER["World Geodetic System 1984 (G1150)"],
                MEMBER["World Geodetic System 1984 (G1674)"],
                MEMBER["World Geodetic System 1984 (G1762)"],
                MEMBER["World Geodetic System 1984 (G2139)"],
                MEMBER["World Geodetic System 1984 (G2296)"],
                ELLIPSOID["WGS 84",6378137,298.257223563,
                    LENGTHUNIT["metre",1]],
                ENSEMBLEACCURACY[2.0]],
            PRIMEM["Greenwich",0,
                ANGLEUNIT["degree",0.0174532925199433]],
            CS[ellipsoidal,2],
                AXIS["geodetic latitude (Lat)",north,
                    ORDER[1],
                    ANGLEUNIT["degree",0.0174532925199433]],
                AXIS["geodetic longitude (Lon)",east,
                    ORDER[2],
                    ANGLEUNIT["degree",0.0174532925199433]],
            USAGE[
                SCOPE["Horizontal component of 3D system."],
                AREA["World."],
                BBOX[-90,-180,90,180]],
            ID["EPSG",4326]]],
    ABRIDGEDTRANSFORMATION["NAD83 to WGS 84 (1)",
        METHOD["Geocentric translations (geog2D domain)",
            ID["EPSG",9603]],
        PARAMETER["X-axis translation",0,
            ID["EPSG",8605]],
        PARAMETER["Y-axis translation",0,
            ID["EPSG",8606]],
        PARAMETER["Z-axis translation",0,
            ID["EPSG",8607]],
        USAGE[
            SCOPE["Military survey."],
            AREA["North America - onshore and offshore: Canada - Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Northwest Territories; Nova Scotia; Nunavut; Ontario; Prince Edward Island; Quebec; Saskatchewan; Yukon. United States (USA) - Alabama; Alaska (mainland); Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming."],
            BBOX[23.81,-172.54,86.46,-47.74]],
        ID["EPSG",1188],
        REMARK["Derived at 354 stations. Accuracy 2m in each axis."]]]

Definition: PROJ.4

+proj=lcc +lat_0=17.8333333333333 +lon_0=-66.4333333333333 +lat_1=18.4333333333333 +lat_2=18.0333333333333 +x_0=152400.30480061 +y_0=30480.0609601219 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js)

proj4.defs("EPSG:3992","+proj=lcc +lat_0=17.8333333333333 +lon_0=-66.4333333333333 +lat_1=18.4333333333333 +lat_2=18.0333333333333 +x_0=152400.30480061 +y_0=30480.0609601219 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");

Definition: JSON

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    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "ProjectedCRS",
            "name": "Puerto Rico / St. Croix",
            "base_crs": {
                "type": "GeographicCRS",
                "name": "Puerto Rico",
                "datum": {
                    "type": "GeodeticReferenceFrame",
                    "name": "Puerto Rico",
                    "ellipsoid": {
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                        "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": 4139
                },
                "remarks": "NAD27 (CRS code 4267) used for military purposes. Note: this CRS includes longitudes which are POSITIVE EAST."
            },
            "conversion": {
                "name": "St. Croix CS27",
                "method": {
                    "name": "Lambert Conic Conformal (2SP)",
                    "id": {
                        "authority": "EPSG",
                        "code": 9802
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of false origin",
                        "value": 17.8333333333333,
                        "unit": "degree",
                        "id": {
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                            "code": 8821
                        }
                    },
                    {
                        "name": "Longitude of false origin",
                        "value": -66.4333333333333,
                        "unit": "degree",
                        "id": {
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                    },
                    {
                        "name": "Latitude of 1st standard parallel",
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                        "unit": "degree",
                        "id": {
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                            "code": 8823
                        }
                    },
                    {
                        "name": "Latitude of 2nd standard parallel",
                        "value": 18.0333333333333,
                        "unit": "degree",
                        "id": {
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                    },
                    {
                        "name": "Easting at false origin",
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                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
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                    {
                        "name": "Northing at false origin",
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                            "name": "US survey foot",
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            },
            "coordinate_system": {
                "subtype": "Cartesian",
                "axis": [
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                        "name": "Easting",
                        "abbreviation": "X",
                        "direction": "east",
                        "unit": {
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                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
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                    },
                    {
                        "name": "Northing",
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                        "unit": {
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                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
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                    }
                ]
            },
            "id": {
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                "code": 3992
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        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "NAD83",
            "datum": {
                "type": "GeodeticReferenceFrame",
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            },
            "coordinate_system": {
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                    {
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                        "abbreviation": "Lon",
                        "direction": "east",
                        "unit": "degree"
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 4269
            },
            "remarks": "Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."
        },
        "transformation": {
            "name": "Puerto Rico to NAD83 (1)",
            "method": {
                "name": "NADCON",
                "id": {
                    "authority": "EPSG",
                    "code": 9613
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            },
            "parameters": [
                {
                    "name": "Latitude difference file",
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                    "name": "Longitude difference file",
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                    "id": {
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                    }
                }
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            "id": {
                "authority": "EPSG",
                "code": 1461
            }
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    },
    "target_crs": {
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        "datum_ensemble": {
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                    "id": {
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                    }
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        },
        "coordinate_system": {
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                    "direction": "north",
                    "unit": "degree"
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Lon",
                    "direction": "east",
                    "unit": "degree"
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4326
        }
    },
    "transformation": {
        "name": "NAD83 to WGS 84 (1)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "NAD83",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "North American Datum 1983",
                "ellipsoid": {
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                }
            },
            "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": 4269
            },
            "remarks": "Longitude is POSITIVE EAST. The adjustment included connections to Greenland and Mexico but the system was not adopted there. For applications with an accuracy of better than 1m replaced by NAD83(HARN) in the US and PRVI and by NAD83(CSRS) in Canada."
        },
        "method": {
            "name": "Geocentric translations (geog2D domain)",
            "id": {
                "authority": "EPSG",
                "code": 9603
            }
        },
        "parameters": [
            {
                "name": "X-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8605
                }
            },
            {
                "name": "Y-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8606
                }
            },
            {
                "name": "Z-axis translation",
                "value": 0,
                "unit": "metre",
                "id": {
                    "authority": "EPSG",
                    "code": 8607
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1188
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=lcc"
	"lat_0=17.8333333333333"
	"lon_0=-66.4333333333333"
	"lat_1=18.4333333333333"
	"lat_2=18.0333333333333"
	"x_0=152400.30480061"
	"y_0=30480.0609601219"
	"ellps=clrk66"
	"towgs84=0,0,0,0,0,0,0"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=lcc +lat_0=17.8333333333333 +lon_0=-66.4333333333333 +lat_1=18.4333333333333 +lat_2=18.0333333333333 +x_0=152400.30480061 +y_0=30480.0609601219 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=lcc +lat_0=17.8333333333333 +lon_0=-66.4333333333333 +lat_1=18.4333333333333 +lat_2=18.0333333333333 +x_0=152400.30480061 +y_0=30480.0609601219 +ellps=clrk66 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs">
	</Layer>
</Map>