EPSG:8706 — NAD83 / Montana (ft) + NAVD88 height (ft)

Name: EPSG:8706 - NAD83 / Montana (ft) + NAVD88 height (ft)
Creator: IOGP
License: https://epsg.org/terms-of-use.html

Compound · USA - Montana

Export Formats

OGC WKT

COMPD_CS[
    "NAD83 / Montana (ft) + NAVD88 height (ft)",
    PROJCS[
        "NAD83 / Montana (ft)",
        GEOGCS[
            "NAD83",
            DATUM[
                "North_American_Datum_1983",
                SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],
                AUTHORITY["EPSG","6269"]
            ],
            PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
            UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
            AUTHORITY["EPSG","4269"]
        ],
        PROJECTION["Lambert_Conformal_Conic_2SP"],
        PARAMETER["latitude_of_origin",44.25],
        PARAMETER["central_meridian",-109.5],
        PARAMETER["standard_parallel_1",49],
        PARAMETER["standard_parallel_2",45],
        PARAMETER["false_easting",1968503.937],
        PARAMETER["false_northing",0],
        UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],
        AXIS["Easting",EAST],
        AXIS["Northing",NORTH],
        AUTHORITY["EPSG","2256"]
    ],
    VERT_CS[
        "NAVD88 height (ft)",
        VERT_DATUM[
            "North American Vertical Datum 1988",
            2005,
            AUTHORITY["EPSG","5103"]
        ],
        UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],
        AXIS["Gravity-related height",UP],
        AUTHORITY["EPSG","8228"]
    ],
    AUTHORITY["EPSG","8706"]
]

WKT2

COMPOUNDCRS[
    "NAD83 / Montana (ft) + NAVD88 height (ft)",
    PROJCRS[
        "NAD83 / Montana (ft)",
        BASEGEOGCRS[
            "NAD83",
            DATUM[
                "North American Datum 1983",
                ELLIPSOID[
                    "GRS 1980",
                    6378137,
                    298.257222101,
                    LENGTHUNIT["metre",1,ID["EPSG",9001]],
                    ID["EPSG",7019]
                ],
                ID["EPSG",6269]
            ],
            ID["EPSG",4269]
        ],
        CONVERSION[
            "SPCS83 Montana zone (international foot)",
            METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],
            PARAMETER[
                "Latitude of false origin",
                44.2500000000003,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8821]
            ],
            PARAMETER[
                "Longitude of false origin",
                -109.5,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8822]
            ],
            PARAMETER[
                "Latitude of 1st standard parallel",
                49,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8823]
            ],
            PARAMETER[
                "Latitude of 2nd standard parallel",
                45,
                ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
                ID["EPSG",8824]
            ],
            PARAMETER[
                "Easting at false origin",
                1968503.937,
                LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
                ID["EPSG",8826]
            ],
            PARAMETER[
                "Northing at false origin",
                0,
                LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
                ID["EPSG",8827]
            ],
            ID["EPSG",15338]
        ],
        CS[Cartesian,2,ID["EPSG",4495]],
        AXIS["Easting (X)",east],
        AXIS["Northing (Y)",north],
        LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
        ID["EPSG",2256]
    ],
    VERTCRS[
        "NAVD88 height (ft)",
        BASEVERTCRS[
            "NAVD88 height",
            VDATUM["North American Vertical Datum 1988",ID["EPSG",5103]],
            ID["EPSG",5703]
        ],
        DERIVINGCONVERSION[
            "Vertical Axis Unit Conversion",
            METHOD["Change of Vertical Unit",ID["EPSG",1104]],
            ID["EPSG",7813]
        ],
        CS[vertical,1,ID["EPSG",1030]],
        AXIS["Gravity-related height (H)",up],
        LENGTHUNIT["foot",0.3048,ID["EPSG",9002]],
        ID["EPSG",8228]
    ],
    ID["EPSG",8706]
]

PROJ.4

+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +datum=NAD83 +units=ft +vunits=ft +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:8706", "+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +datum=NAD83 +units=ft +vunits=ft +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 8706,
  "name": "NAD83 / Montana (ft) + NAVD88 height (ft)",
  "kind": "compound",
  "area": "USA - Montana",
  "unit": null,
  "bbox": [
    44.35,
    -116.07,
    49.01,
    -104.04
  ],
  "proj4": "+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +datum=NAD83 +units=ft +vunits=ft +no_defs +type=crs"
}

PostGIS

How to add a projection to PostGIS? →

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8706, 'EPSG', 8706, '+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +datum=NAD83 +units=ft +vunits=ft +no_defs +type=crs', 'COMPD_CS["NAD83 / Montana (ft) + NAVD88 height (ft)",PROJCS["NAD83 / Montana (ft)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",44.25],PARAMETER["central_meridian",-109.5],PARAMETER["standard_parallel_1",49],PARAMETER["standard_parallel_2",45],PARAMETER["false_easting",1968503.937],PARAMETER["false_northing",0],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2256"]],VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]],AUTHORITY["EPSG","8706"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+lat_0=44.25"
  "+lon_0=-109.5"
  "+lat_1=49"
  "+lat_2=45"
  "+x_0=599999.9999976"
  "+y_0=0"
  "+datum=NAD83"
  "+units=ft"
  "+vunits=ft"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

8706=COMPD_CS["NAD83 / Montana (ft) + NAVD88 height (ft)",PROJCS["NAD83 / Montana (ft)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",44.25],PARAMETER["central_meridian",-109.5],PARAMETER["standard_parallel_1",49],PARAMETER["standard_parallel_2",45],PARAMETER["false_easting",1968503.937],PARAMETER["false_northing",0],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2256"]],VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]],AUTHORITY["EPSG","8706"]]

Frequently Asked Questions

How do I add EPSG:8706 to GeoServer?

Add the following definition to your GeoServer configuration:

8706=COMPD_CS["NAD83 / Montana (ft) + NAVD88 height (ft)",PROJCS["NAD83 / Montana (ft)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",44.25],PARAMETER["central_meridian",-109.5],PARAMETER["standard_parallel_1",49],PARAMETER["standard_parallel_2",45],PARAMETER["false_easting",1968503.937],PARAMETER["false_northing",0],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2256"]],VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]],AUTHORITY["EPSG","8706"]]

Read the full GeoServer guide →

How do I add EPSG:8706 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (8706, 'EPSG', 8706, '+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +datum=NAD83 +units=ft +vunits=ft +no_defs +type=crs', 'COMPD_CS["NAD83 / Montana (ft) + NAVD88 height (ft)",PROJCS["NAD83 / Montana (ft)",GEOGCS["NAD83",DATUM["North_American_Datum_1983",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6269"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4269"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",44.25],PARAMETER["central_meridian",-109.5],PARAMETER["standard_parallel_1",49],PARAMETER["standard_parallel_2",45],PARAMETER["false_easting",1968503.937],PARAMETER["false_northing",0],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","2256"]],VERT_CS["NAVD88 height (ft)",VERT_DATUM["North American Vertical Datum 1988",2005,AUTHORITY["EPSG","5103"]],UNIT["foot",0.3048,AUTHORITY["EPSG","9002"]],AXIS["Gravity-related height",UP],AUTHORITY["EPSG","8228"]],AUTHORITY["EPSG","8706"]]');

Read the full PostGIS guide →

How do I add EPSG:8706 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+lat_0=44.25"
  "+lon_0=-109.5"
  "+lat_1=49"
  "+lat_2=45"
  "+x_0=599999.9999976"
  "+y_0=0"
  "+datum=NAD83"
  "+units=ft"
  "+vunits=ft"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:8706 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:8706", "+proj=lcc +lat_0=44.25 +lon_0=-109.5 +lat_1=49 +lat_2=45 +x_0=599999.9999976 +y_0=0 +datum=NAD83 +units=ft +vunits=ft +no_defs +type=crs");

Read the full Proj4js guide →

Type

Compound

Area of Use

USA - Montana

United States (USA) - Montana - counties of Beaverhead; Big Horn; Blaine; Broadwater; Carbon; Carter…

Center Coordinates

1829274.93 886402.53

Projected Bounds

1781155.69 251084.453277943.07 108545.03

WGS84 Bounds

49.01 -116.07-104.04 44.35

Data Source

EPSG

Information Source

IOGP

Revision Date

2018-05-13

Scope

Engineering survey, topographic mapping.

EPSG

8706