US survey foot
Engineering survey, topographic mapping.
None
United States (USA) - Maryland - counties of Allegany; Anne Arundel; Baltimore; Calvert; Caroline; Carroll; Cecil; Charles; Dorchester; Frederick; Garrett; Harford; Howard; Kent; Montgomery; Prince Georges; Queen Annes; Somerset; St Marys; Talbot; Washington; Wicomico; Worcester.
Data Source: EPSG v11.022 2024-11-05
Datum: North American Datum 1927
Coordinate System: cartesian
Projection: Maryland CS27
Geodetic CRS: NAD27
PROJCRS["NAD27 / Maryland",
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["Maryland CS27",
METHOD["Lambert Conic Conformal (2SP)",
ID["EPSG",9802]],
PARAMETER["Latitude of false origin",37.8333333333333,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8821]],
PARAMETER["Longitude of false origin",-77,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8822]],
PARAMETER["Latitude of 1st standard parallel",38.3,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8823]],
PARAMETER["Latitude of 2nd standard parallel",39.45,
ANGLEUNIT["degree",0.0174532925199433],
ID["EPSG",8824]],
PARAMETER["Easting at false origin",800000,
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["Engineering survey, topographic mapping."],
AREA["United States (USA) - Maryland - counties of Allegany; Anne Arundel; Baltimore; Calvert; Caroline; Carroll; Cecil; Charles; Dorchester; Frederick; Garrett; Harford; Howard; Kent; Montgomery; Prince Georges; Queen Annes; Somerset; St Marys; Talbot; Washington; Wicomico; Worcester."],
BBOX[37.97,-79.49,39.73,-74.97]],
ID["EPSG",26785]]
{
"$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
"type": "ProjectedCRS",
"name": "NAD27 / Maryland",
"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": "Maryland CS27",
"method": {
"name": "Lambert Conic Conformal (2SP)",
"id": {
"authority": "EPSG",
"code": 9802
}
},
"parameters": [
{
"name": "Latitude of false origin",
"value": 37.8333333333333,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8821
}
},
{
"name": "Longitude of false origin",
"value": -77,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8822
}
},
{
"name": "Latitude of 1st standard parallel",
"value": 38.3,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8823
}
},
{
"name": "Latitude of 2nd standard parallel",
"value": 39.45,
"unit": "degree",
"id": {
"authority": "EPSG",
"code": 8824
}
},
{
"name": "Easting at false origin",
"value": 800000,
"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": "Engineering survey, topographic mapping.",
"area": "United States (USA) - Maryland - counties of Allegany; Anne Arundel; Baltimore; Calvert; Caroline; Carroll; Cecil; Charles; Dorchester; Frederick; Garrett; Harford; Howard; Kent; Montgomery; Prince Georges; Queen Annes; Somerset; St Marys; Talbot; Washington; Wicomico; Worcester.",
"bbox": {
"south_latitude": 37.97,
"west_longitude": -79.49,
"north_latitude": 39.73,
"east_longitude": -74.97
},
"id": {
"authority": "EPSG",
"code": 26785
}
}
{'crs_wkt': 'PROJCRS["NAD27 / Maryland",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["Maryland '
'CS27",METHOD["Lambert Conic Conformal '
'(2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false '
'origin",37.8333333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude '
'of false '
'origin",-77,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
'of 1st standard '
'parallel",38.3,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
'of 2nd standard '
'parallel",39.45,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
'at false origin",800000,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["Engineering survey, '
'topographic mapping."],AREA["United States (USA) - Maryland - '
'counties of Allegany; Anne Arundel; Baltimore; Calvert; Caroline; '
'Carroll; Cecil; Charles; Dorchester; Frederick; Garrett; Harford; '
'Howard; Kent; Montgomery; Prince Georges; Queen Annes; Somerset; '
'St Marys; Talbot; Washington; Wicomico; '
'Worcester."],BBOX[37.97,-79.49,39.73,-74.97]],ID["EPSG",26785]]',
'false_easting': 800000.0,
'false_northing': 0.0,
'geographic_crs_name': 'NAD27',
'grid_mapping_name': 'lambert_conformal_conic',
'horizontal_datum_name': 'North American Datum 1927',
'inverse_flattening': 294.9786982138982,
'latitude_of_projection_origin': 37.833333333333336,
'longitude_of_central_meridian': -77.0,
'longitude_of_prime_meridian': 0.0,
'prime_meridian_name': 'Greenwich',
'projected_crs_name': 'NAD27 / Maryland',
'reference_ellipsoid_name': 'Clarke 1866',
'semi_major_axis': 6378206.4,
'semi_minor_axis': 6356583.8,
'standard_parallel': (38.3, 39.45)}