The gridded difference file AB_CSRS.DAC in STEP 1 will need to be renamed to AB_CSRS.gsb to run in some software suites. Formats identical, but AB file is provincial fit only.
Geodetic Control Section; Land and Forest Svc; Alberta Environment; http://www.gov.ab.ca/env/land/dos/ or email to geoff.banham@gov.ab.ca
2000-10-19
Engineering survey, topographic mapping.
State law defines system in US survey feet. See CRS code 26852 for equivalent non-metric definition. For applications with an accuracy of better than 1m, replaced by NAD83(HARN) / SPCS.
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
-493461.38 1729029.09
-963165.19 1062082.63
-89611.39 2418621.97
-120.0 48.99
-109.98 60.0
Definition: OGC Well Known Text
PROJCS["NAD83 / Nebraska", 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",39.8333333333333], PARAMETER["central_meridian",-100], PARAMETER["standard_parallel_1",43], PARAMETER["standard_parallel_2",40], PARAMETER["false_easting",500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","32104"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD83 / Nebraska", BASEGEOGCRS["NAD83", DATUM["North American Datum 1983", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4269]], CONVERSION["SPCS83 Nebraska zone (meter)", METHOD["Lambert Conic Conformal (2SP)", ID["EPSG",9802]], PARAMETER["Latitude of false origin",39.8333333333333, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8821]], PARAMETER["Longitude of false origin",-100, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8822]], PARAMETER["Latitude of 1st standard parallel",43, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8823]], PARAMETER["Latitude of 2nd standard parallel",40, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8824]], PARAMETER["Easting at false origin",500000, LENGTHUNIT["metre",1], ID["EPSG",8826]], PARAMETER["Northing at false origin",0, LENGTHUNIT["metre",1], ID["EPSG",8827]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - Nebraska - counties of Adams; Antelope; Arthur; Banner; Blaine; Boone; Box Butte; Boyd; Brown; Buffalo; Burt; Butler; Cass; Cedar; Chase; Cherry; Cheyenne; Clay; Colfax; Cuming; Custer; Dakota; Dawes; Dawson; Deuel; Dixon; Dodge; Douglas; Dundy; Fillmore; Franklin; Frontier; Furnas; Gage; Garden; Garfield; Gosper; Grant; Greeley; Hall; Hamilton; Harlan; Hayes; Hitchcock; Holt; Hooker; Howard; Jefferson; Johnson; Kearney; Keith; Keya Paha; Kimball; Knox; Lancaster; Lincoln; Logan; Loup; Madison; McPherson; Merrick; Morrill; Nance; Nemaha; Nuckolls; Otoe; Pawnee; Perkins; Phelps; Pierce; Platte; Polk; Red Willow; Richardson; Rock; Saline; Sarpy; Saunders; Scotts Bluff; Seward; Sheridan; Sherman; Sioux; Stanton; Thayer; Thomas; Thurston; Valley; Washington; Wayne; Webster; Wheeler; York."], BBOX[39.99,-104.06,43.01,-95.3]], ID["EPSG",32104]]
Definition: ESRI Well Known Text
PROJCS["NAD_1983_StatePlane_Nebraska_FIPS_2600", GEOGCS["GCS_North_American_1983", DATUM["D_North_American_1983", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Lambert_Conformal_Conic"], PARAMETER["False_Easting",500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-100.0], PARAMETER["Standard_Parallel_1",43.0], PARAMETER["Standard_Parallel_2",40.0], PARAMETER["Latitude_Of_Origin",39.8333333333333], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83 / Nebraska", "base_crs": { "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 } }, "conversion": { "name": "SPCS83 Nebraska zone (meter)", "method": { "name": "Lambert Conic Conformal (2SP)", "id": { "authority": "EPSG", "code": 9802 } }, "parameters": [ { "name": "Latitude of false origin", "value": 39.8333333333333, "unit": "degree", "id": { "authority": "EPSG", "code": 8821 } }, { "name": "Longitude of false origin", "value": -100, "unit": "degree", "id": { "authority": "EPSG", "code": 8822 } }, { "name": "Latitude of 1st standard parallel", "value": 43, "unit": "degree", "id": { "authority": "EPSG", "code": 8823 } }, { "name": "Latitude of 2nd standard parallel", "value": 40, "unit": "degree", "id": { "authority": "EPSG", "code": 8824 } }, { "name": "Easting at false origin", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8826 } }, { "name": "Northing at false origin", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8827 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "United States (USA) - Nebraska - counties of Adams; Antelope; Arthur; Banner; Blaine; Boone; Box Butte; Boyd; Brown; Buffalo; Burt; Butler; Cass; Cedar; Chase; Cherry; Cheyenne; Clay; Colfax; Cuming; Custer; Dakota; Dawes; Dawson; Deuel; Dixon; Dodge; Douglas; Dundy; Fillmore; Franklin; Frontier; Furnas; Gage; Garden; Garfield; Gosper; Grant; Greeley; Hall; Hamilton; Harlan; Hayes; Hitchcock; Holt; Hooker; Howard; Jefferson; Johnson; Kearney; Keith; Keya Paha; Kimball; Knox; Lancaster; Lincoln; Logan; Loup; Madison; McPherson; Merrick; Morrill; Nance; Nemaha; Nuckolls; Otoe; Pawnee; Perkins; Phelps; Pierce; Platte; Polk; Red Willow; Richardson; Rock; Saline; Sarpy; Saunders; Scotts Bluff; Seward; Sheridan; Sherman; Sioux; Stanton; Thayer; Thomas; Thurston; Valley; Washington; Wayne; Webster; Wheeler; York.", "bbox": { "south_latitude": 39.99, "west_longitude": -104.06, "north_latitude": 43.01, "east_longitude": -95.3 }, "id": { "authority": "EPSG", "code": 32104 } }
Definition: GeoServer
32104=PROJCS["NAD83 / Nebraska",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",39.8333333333333],PARAMETER["central_meridian",-100],PARAMETER["standard_parallel_1",43],PARAMETER["standard_parallel_2",40],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32104"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=lcc +lat_0=39.8333333333333 +lon_0=-100 +lat_1=43 +lat_2=40 +x_0=500000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs"> <Layer srs="+proj=lcc +lat_0=39.8333333333333 +lon_0=-100 +lat_1=43 +lat_2=40 +x_0=500000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 32104, 'EPSG', 32104, '+proj=lcc +lat_0=39.8333333333333 +lon_0=-100 +lat_1=43 +lat_2=40 +x_0=500000 +y_0=0 +datum=NAD83 +units=m +no_defs +type=crs', 'PROJCS["NAD83 / Nebraska",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",39.8333333333333],PARAMETER["central_meridian",-100],PARAMETER["standard_parallel_1",43],PARAMETER["standard_parallel_2",40],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","32104"]]');