US survey foot
Topographic mapping (small scale).
None
United States (USA) - Alaska.
Data Source: EPSG v11.022 2024-11-05
Datum: North American Datum 1927
Coordinate System: cartesian
Projection: Alaska Albers
Geodetic CRS: NAD27
PROJCRS["NAD27 / Alaska Albers",
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["Alaska Albers",
METHOD["Albers Equal Area",
ID["EPSG",9822]],
PARAMETER["Latitude of false origin",50,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8821]],
PARAMETER["Longitude of false origin",-154,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8822]],
PARAMETER["Latitude of 1st standard parallel",55,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",65,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",0,
LENGTHUNIT["US survey foot",0.304800609601219],
ID["EPSG",8826]],
PARAMETER["Northing at false origin",0,
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]],
USAGE[
SCOPE["Topographic mapping (small scale)."],
AREA["United States (USA) - Alaska."],
BBOX[51.3,172.42,71.4,-129.99]],
ID["EPSG",2964]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NAD27 / Alaska Albers",
"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": "Alaska Albers",
"method": {
"name": "Albers Equal Area",
"id": {
"authority": "EPSG",
"code": 9822
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 50,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8821
}
},
{
"name": "Longitude of false origin",
"value": -154,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8822
}
},
{
"name": "Latitude of 1st standard parallel",
"value": 55,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 65,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8824
}
},
{
"name": "Easting at false origin",
"value": 0,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8826
}
},
{
"name": "Northing at false origin",
"value": 0,
"unit": {
"type": "LinearUnit",
"name": "US survey foot",
"conversion_factor": 0.304800609601219
},
"id": {
"authority": "EPSG",
"code": 8827
}
}
]
},
"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
}
}
]
},
"scope": "Topographic mapping (small scale).",
"area": "United States (USA) - Alaska.",
"bbox": {
"south_latitude": 51.3,
"west_longitude": 172.42,
"north_latitude": 71.4,
"east_longitude": -129.99
},
"id": {
"authority": "EPSG",
"code": 2964
}
}
{'crs_wkt': 'PROJCRS["NAD27 / Alaska Albers",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["Alaska '
'Albers",METHOD["Albers Equal '
'Area",ID["EPSG",9822]],PARAMETER["Latitude of false '
'origin",50,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude '
'of false '
'origin",-154,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
'of 1st standard '
'parallel",55,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",65,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
'at false origin",0,LENGTHUNIT["US survey '
'foot",0.304800609601219],ID["EPSG",8826]],PARAMETER["Northing at '
'false origin",0,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]],USAGE[SCOPE["Topographic mapping (small '
'scale)."],AREA["United States (USA) - '
'Alaska."],BBOX[51.3,172.42,71.4,-129.99]],ID["EPSG",2964]]',
'false_easting': 0.0,
'false_northing': 0.0,
'geographic_crs_name': 'NAD27',
'grid_mapping_name': 'albers_conical_equal_area',
'horizontal_datum_name': 'North American Datum 1927',
'inverse_flattening': 294.9786982138982,
'latitude_of_projection_origin': 50.0,
'longitude_of_central_meridian': -154.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD27 / Alaska Albers',
'reference_ellipsoid_name': 'Clarke 1866',
'semi_major_axis': 6378206.4,
'semi_minor_axis': 6356583.8,
'standard_parallel': (55.0, 65.0)}