EPSG:32075 DEPRECATED

NAD27 / BLM 15N (feet)

Available transformations
to EPSG:4140
EPSG:4140 - NAD83(CSRS98)

Selected transformation

Grid Files: AB_CSRS.DAC NTv2_0.gsb

Remarks: Can be taken as an approximate transformation NAD27 to WGS 84 - see code 8585.

Information source: OGP

Revision date: 2001-08-15

Attributes

Unit: US survey foot

Geodetic CRS: NAD27

Datum: North American Datum 1927

Ellipsoid: Clarke 1866

Prime meridian: Greenwich

Data source: EPSG

Revision date: 1996-04-12

Scope: Minerals management (including oil and gas exploration and production).

Area of use: United States (USA) - Gulf of Mexico outer continental shelf (GoM OCS) between approximately 96°W and 90°W - protraction areas East Breaks; Alaminos Canyon; Garden Banks; Keathley Canyon; Sigsbee Escarpment; Ewing Bank; Green Canyon; Walker Ridge; Amery Terrace.

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

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SimpleMap

Center coordinates
-2992520.78 20549806.46

Projected bounds:
-4798137.72 18263175.17
-1443604.93 22838071.16

WGS84 bounds:
-120.0 48.99
-109.98 60.0

Canada - Alberta.
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Definition: OGC Well Known Text 2 (2019)

BOUNDCRS[
    SOURCECRS[
        BOUNDCRS[
            SOURCECRS[
                PROJCRS["NAD27 / BLM 15N (feet)",
                    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["BLM zone 15N (US survey foot)",
                        METHOD["Transverse Mercator",
                            ID["EPSG",9807]],
                        PARAMETER["Latitude of natural origin",0,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8801]],
                        PARAMETER["Longitude of natural origin",-93,
                            ANGLEUNIT["degree",0.0174532925199433],
                            ID["EPSG",8802]],
                        PARAMETER["Scale factor at natural origin",0.9996,
                            SCALEUNIT["unity",1],
                            ID["EPSG",8805]],
                        PARAMETER["False easting",1640416.67,
                            LENGTHUNIT["US survey foot",0.304800609601219],
                            ID["EPSG",8806]],
                        PARAMETER["False northing",0,
                            LENGTHUNIT["US survey foot",0.304800609601219],
                            ID["EPSG",8807]]],
                    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",32075]]],
            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]]],
            ABRIDGEDTRANSFORMATION["NAD27 to NAD83 (4)",
                METHOD["NTv2",
                    ID["EPSG",9615]],
                PARAMETERFILE["Latitude and longitude difference file","NTv2_0.gsb"],
                ID["EPSG",1313]]]],
    TARGETCRS[
        GEOGCRS["NAD83(CSRS98)",
            DATUM["NAD83 Canadian Spatial Reference System",
                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 minute second hemisphere",0.0174532925199433]],
                AXIS["geodetic longitude (Long)",east,
                    ORDER[2],
                    ANGLEUNIT["degree minute second hemisphere",0.0174532925199433]],
            USAGE[
                SCOPE["Geodesy."],
                AREA["Canada - Alberta; New Brunswick; Saskatchewan; Prince Edward Island; and Quebec."],
                BBOX[44.61,-120,62.56,-57.1]],
            ID["EPSG",4140]]],
    ABRIDGEDTRANSFORMATION["NAD83 to NAD83(CSRS98) (3)",
        METHOD["NTv2",
            ID["EPSG",9615]],
        PARAMETERFILE["Latitude and longitude difference file","AB_CSRS.DAC"],
        USAGE[
            SCOPE["?"],
            AREA["Canada - Alberta."],
            BBOX[48.99,-120,60,-109.98]],
        ID["EPSG",1752],
        REMARK["This gridded difference file AB_CSRS.DAC will need to be renamed to AB_CSRS.gsb to run in some software suites. Formats identical, but AB file is provincial fit only. Can be taken as an approximate transformation NAD83 to WGS 84 - see code 1702."]]]

Definition: PROJ.4

+proj=tmerc +lat_0=0 +lon_0=-93 +k=0.9996 +x_0=500000.001016002 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:32075","+proj=tmerc +lat_0=0 +lon_0=-93 +k=0.9996 +x_0=500000.001016002 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "BoundCRS",
    "source_crs": {
        "type": "BoundCRS",
        "source_crs": {
            "type": "ProjectedCRS",
            "name": "NAD27 / BLM 15N (feet)",
            "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": "BLM zone 15N (US survey foot)",
                "method": {
                    "name": "Transverse Mercator",
                    "id": {
                        "authority": "EPSG",
                        "code": 9807
                    }
                },
                "parameters": [
                    {
                        "name": "Latitude of natural origin",
                        "value": 0,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8801
                        }
                    },
                    {
                        "name": "Longitude of natural origin",
                        "value": -93,
                        "unit": "degree",
                        "id": {
                            "authority": "EPSG",
                            "code": 8802
                        }
                    },
                    {
                        "name": "Scale factor at natural origin",
                        "value": 0.9996,
                        "unit": "unity",
                        "id": {
                            "authority": "EPSG",
                            "code": 8805
                        }
                    },
                    {
                        "name": "False easting",
                        "value": 1640416.67,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8806
                        }
                    },
                    {
                        "name": "False northing",
                        "value": 0,
                        "unit": {
                            "type": "LinearUnit",
                            "name": "US survey foot",
                            "conversion_factor": 0.304800609601219
                        },
                        "id": {
                            "authority": "EPSG",
                            "code": 8807
                        }
                    }
                ]
            },
            "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
                        }
                    }
                ]
            },
            "id": {
                "authority": "EPSG",
                "code": 32075
            }
        },
        "target_crs": {
            "type": "GeographicCRS",
            "name": "NAD83",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "North American Datum 1983",
                "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                }
            },
            "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
            }
        },
        "transformation": {
            "name": "NAD27 to NAD83 (4)",
            "method": {
                "name": "NTv2",
                "id": {
                    "authority": "EPSG",
                    "code": 9615
                }
            },
            "parameters": [
                {
                    "name": "Latitude and longitude difference file",
                    "value": "NTv2_0.gsb",
                    "id": {
                        "authority": "EPSG",
                        "code": 8656
                    }
                }
            ],
            "id": {
                "authority": "EPSG",
                "code": 1313
            }
        }
    },
    "target_crs": {
        "type": "GeographicCRS",
        "name": "NAD83(CSRS98)",
        "datum": {
            "type": "GeodeticReferenceFrame",
            "name": "NAD83 Canadian Spatial Reference System",
            "ellipsoid": {
                "name": "GRS 1980",
                "semi_major_axis": 6378137,
                "inverse_flattening": 298.257222101
            }
        },
        "coordinate_system": {
            "subtype": "ellipsoidal",
            "axis": [
                {
                    "name": "Geodetic latitude",
                    "abbreviation": "Lat",
                    "direction": "north",
                    "unit": {
                        "type": "AngularUnit",
                        "name": "degree minute second hemisphere",
                        "conversion_factor": 0.0174532925199433
                    }
                },
                {
                    "name": "Geodetic longitude",
                    "abbreviation": "Long",
                    "direction": "east",
                    "unit": {
                        "type": "AngularUnit",
                        "name": "degree minute second hemisphere",
                        "conversion_factor": 0.0174532925199433
                    }
                }
            ]
        },
        "id": {
            "authority": "EPSG",
            "code": 4140
        }
    },
    "transformation": {
        "name": "NAD83 to NAD83(CSRS98) (3)",
        "source_crs": {
            "type": "GeographicCRS",
            "name": "NAD83",
            "datum": {
                "type": "GeodeticReferenceFrame",
                "name": "North American Datum 1983",
                "ellipsoid": {
                    "name": "GRS 1980",
                    "semi_major_axis": 6378137,
                    "inverse_flattening": 298.257222101
                }
            },
            "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
            }
        },
        "method": {
            "name": "NTv2",
            "id": {
                "authority": "EPSG",
                "code": 9615
            }
        },
        "parameters": [
            {
                "name": "Latitude and longitude difference file",
                "value": "AB_CSRS.DAC",
                "id": {
                    "authority": "EPSG",
                    "code": 8656
                }
            }
        ],
        "id": {
            "authority": "EPSG",
            "code": 1752
        }
    }
}

Definition: MapServer - MAPfile

PROJECTION
	"proj=tmerc"
	"lat_0=0"
	"lon_0=-93"
	"k=0.9996"
	"x_0=500000.001016002"
	"y_0=0"
	"datum=NAD27"
	"units=us-ft"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=tmerc +lat_0=0 +lon_0=-93 +k=0.9996 +x_0=500000.001016002 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs">
	<Layer srs="+proj=tmerc +lat_0=0 +lon_0=-93 +k=0.9996 +x_0=500000.001016002 +y_0=0 +datum=NAD27 +units=us-ft +no_defs +type=crs">
	</Layer>
</Map>