EPSG:3506 — NAD83(NSRS2007) / Colorado South (ftUS)

Projected · USA - Colorado - SPCS - S

Export Formats

OGC WKT

PROJCS[
    "NAD83(NSRS2007) / Colorado South (ftUS)",
    GEOGCS[
        "NAD83(NSRS2007)",
        DATUM[
            "NAD83_National_Spatial_Reference_System_2007",
            SPHEROID["GRS 1980",6378137,298.257222101],
            TOWGS84[0,0,0,0,0,0,0]
        ],
        PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],
        UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],
        AUTHORITY["EPSG","4759"]
    ],
    PROJECTION["Lambert_Conformal_Conic_2SP"],
    PARAMETER["latitude_of_origin",36.6666666666667],
    PARAMETER["central_meridian",-105.5],
    PARAMETER["standard_parallel_1",38.4333333333333],
    PARAMETER["standard_parallel_2",37.2333333333333],
    PARAMETER["false_easting",3000000],
    PARAMETER["false_northing",1000000],
    UNIT["US survey foot",0.304800609601219],
    AXIS["Easting",EAST],
    AXIS["Northing",NORTH],
    AUTHORITY["EPSG","3506"]
]

WKT2

PROJCRS[
    "NAD83(NSRS2007) / Colorado South (ftUS)",
    BASEGEOGCRS[
        "NAD83(NSRS2007)",
        DATUM[
            "NAD83 (National Spatial Reference System 2007)",
            ELLIPSOID[
                "GRS 1980",
                6378137,
                298.257222101,
                LENGTHUNIT["metre",1,ID["EPSG",9001]],
                ID["EPSG",7019]
            ],
            ID["EPSG",6759]
        ],
        ID["EPSG",4759]
    ],
    CONVERSION[
        "SPCS83 Colorado South zone (US survey foot)",
        METHOD["Lambert Conic Conformal (2SP)",ID["EPSG",9802]],
        PARAMETER[
            "Latitude of false origin",
            36.6666666666669,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8821]
        ],
        PARAMETER[
            "Longitude of false origin",
            -105.5,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8822]
        ],
        PARAMETER[
            "Latitude of 1st standard parallel",
            38.4333333333336,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8823]
        ],
        PARAMETER[
            "Latitude of 2nd standard parallel",
            37.2333333333336,
            ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
            ID["EPSG",8824]
        ],
        PARAMETER[
            "Easting at false origin",
            3000000,
            LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
            ID["EPSG",8826]
        ],
        PARAMETER[
            "Northing at false origin",
            1000000,
            LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
            ID["EPSG",8827]
        ],
        ID["EPSG",15315]
    ],
    CS[Cartesian,2,ID["EPSG",4497]],
    AXIS["Easting (X)",east],
    AXIS["Northing (Y)",north],
    LENGTHUNIT["US survey foot",0.304800609601219,ID["EPSG",9003]],
    ID["EPSG",3506]
]

PROJ.4

+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.828803657 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs

Proj4js

How to add a projection to Proj4js? →

proj4.defs("EPSG:3506", "+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.828803657 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");

JSON

{
  "type": "CoordinateReferenceSystem",
  "code": 3506,
  "name": "NAD83(NSRS2007) / Colorado South (ftUS)",
  "kind": "projected",
  "area": "USA - Colorado - SPCS - S",
  "unit": "US survey foot",
  "bbox": [
    36.98,
    -109.06,
    38.68,
    -102.04
  ],
  "proj4": "+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.828803657 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-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 (3506, 'EPSG', 3506, '+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.828803657 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD83(NSRS2007) / Colorado South (ftUS)",GEOGCS["NAD83(NSRS2007)",DATUM["NAD83_National_Spatial_Reference_System_2007",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4759"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",36.6666666666667],PARAMETER["central_meridian",-105.5],PARAMETER["standard_parallel_1",38.4333333333333],PARAMETER["standard_parallel_2",37.2333333333333],PARAMETER["false_easting",3000000],PARAMETER["false_northing",1000000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3506"]]');

MapServer

How to add a projection to MapServer? →

PROJECTION
  "+proj=lcc"
  "+lat_0=36.6666666666667"
  "+lon_0=-105.5"
  "+lat_1=38.4333333333333"
  "+lat_2=37.2333333333333"
  "+x_0=914401.828803657"
  "+y_0=304800.609601219"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=us-ft"
  "+no_defs"
  "+type=crs"
END

GeoServer

How to add a projection to GeoServer? →

3506=PROJCS["NAD83(NSRS2007) / Colorado South (ftUS)",GEOGCS["NAD83(NSRS2007)",DATUM["NAD83_National_Spatial_Reference_System_2007",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4759"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",36.6666666666667],PARAMETER["central_meridian",-105.5],PARAMETER["standard_parallel_1",38.4333333333333],PARAMETER["standard_parallel_2",37.2333333333333],PARAMETER["false_easting",3000000],PARAMETER["false_northing",1000000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3506"]]

Related Coordinate Systems

Available Transformations (10)

Transformations inherited from base CRS: EPSG:4759 (NAD83(NSRS2007))

Transformation	Source → Target	Accuracy (m)
NAD83(HARN) to NAD83(NSRS2007) (2)	4152 → 4759	0.05
NAD83(NSRS2007) to NAD83(2011) (2)	4759 → 6318	0.05
NAD83(NSRS2007) to NAD83(2011) (1)	4759 → 6318	0.05
NAD83(NSRS2007) to NAD83(2011) (3)	4759 → 6318	0.05
NAD83(FBN) to NAD83(NSRS2007) (1)	8860 → 4759	0.05
NAD83(FBN) to NAD83(NSRS2007) (2)	8860 → 4759	0.05
NAD83(HARN) to NAD83(NSRS2007) (1)	4152 → 4759	0.1
NAD83(NSRS2007) to WGS 84 (1)	4759 → 4326	2
NAD83(FBN) to NAD83(NSRS2007) (1) Deprecated	8449 → 4759	0.05
NAD83(FBN) to NAD83(NSRS2007) (2) Deprecated	8449 → 4759	0.05

Other CRS using NAD83 (National Spatial Reference System 2007) (265)

Frequently Asked Questions

How do I add EPSG:3506 to GeoServer?

Add the following definition to your GeoServer configuration:

3506=PROJCS["NAD83(NSRS2007) / Colorado South (ftUS)",GEOGCS["NAD83(NSRS2007)",DATUM["NAD83_National_Spatial_Reference_System_2007",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4759"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",36.6666666666667],PARAMETER["central_meridian",-105.5],PARAMETER["standard_parallel_1",38.4333333333333],PARAMETER["standard_parallel_2",37.2333333333333],PARAMETER["false_easting",3000000],PARAMETER["false_northing",1000000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3506"]]

Read the full GeoServer guide →

How do I add EPSG:3506 to PostGIS?

Add the following definition to your PostGIS configuration:

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (3506, 'EPSG', 3506, '+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.828803657 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs', 'PROJCS["NAD83(NSRS2007) / Colorado South (ftUS)",GEOGCS["NAD83(NSRS2007)",DATUM["NAD83_National_Spatial_Reference_System_2007",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4759"]],PROJECTION["Lambert_Conformal_Conic_2SP"],PARAMETER["latitude_of_origin",36.6666666666667],PARAMETER["central_meridian",-105.5],PARAMETER["standard_parallel_1",38.4333333333333],PARAMETER["standard_parallel_2",37.2333333333333],PARAMETER["false_easting",3000000],PARAMETER["false_northing",1000000],UNIT["US survey foot",0.304800609601219],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3506"]]');

Read the full PostGIS guide →

How do I add EPSG:3506 to MapServer?

Add the following definition to your MapServer configuration:

PROJECTION
  "+proj=lcc"
  "+lat_0=36.6666666666667"
  "+lon_0=-105.5"
  "+lat_1=38.4333333333333"
  "+lat_2=37.2333333333333"
  "+x_0=914401.828803657"
  "+y_0=304800.609601219"
  "+ellps=GRS80"
  "+towgs84=0,0,0,0,0,0,0"
  "+units=us-ft"
  "+no_defs"
  "+type=crs"
END

Read the full MapServer guide →

How do I use EPSG:3506 with Proj4js?

Add the following definition to your Proj4js configuration:

proj4.defs("EPSG:3506", "+proj=lcc +lat_0=36.6666666666667 +lon_0=-105.5 +lat_1=38.4333333333333 +lat_2=37.2333333333333 +x_0=914401.828803657 +y_0=304800.609601219 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=us-ft +no_defs +type=crs");

Read the full Proj4js guide →

Type

Projected

Unit

US survey foot

Geodetic CRS

NAD83(NSRS2007)

Datum

NAD83 (National Spatial Reference System 2007)

Ellipsoid

GRS 1980

Prime Meridian

Greenwich

Area of Use

USA - Colorado - SPCS - S

United States (USA) - Colorado - counties Alamosa; Archuleta; Baca; Bent; Conejos; Costilla; Crowley…

Coordinate System

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

Center Coordinates

2985559.41 1423596.42

Projected Bounds

1751429.95 1960286.103987597.27 1133907.42

WGS84 Bounds

38.68 -109.06-102.04 36.98

Data Source

EPSG

Information Source

U.S. National Geodetic Survey, http://www.ngs.noaa.gov/

Revision Date

2016-07-13

Scope

Engineering survey, topographic mapping.

Remarks

State law defines use of US survey feet. Federal definition is metric - see code 3505. Replaces NAD83(HARN) / SPCS.

EPSG

3506