Pampa del Castillo Argentina 3 - EPSG:9285

WKT

PROJCS["Pampa_del_Castillo_Argentina_3", 
	GEOGCS["GCS_Pampa_del_Castillo", 
		DATUM["D_Pampa_del_Castillo", 
			SPHEROID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 3500000.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", -66.0], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", -90.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["Pampa_del_Castillo_Argentina_3", 
	BASEGEOGCRS["GCS_Pampa_del_Castillo", 
		DATUM["D_Pampa_del_Castillo", 
			ELLIPSOID["International_1924", 6378388.0, 297.0]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Transverse_Mercator", 
		METHOD["Transverse_Mercator"], 
		PARAMETER["False_Easting", 3500000.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", -66.0], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", -90.0]], 
	CS[Cartesian, 2], 
	AXIS["Northing (Y)", north, 
		ORDER[1]], 
	AXIS["Easting (X)", east, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "9285"]]

Data from @esri/proj-codes

{
  "wkid": 9285,
  "latestWkid": 9285,
  "gcsWkid": 4161,
  "macro": "PE_PCS_PAMPA_DEL_CASTILLO_ARGENTINA_3",
  "name": "Pampa_del_Castillo_Argentina_3",
  "wkt": "PROJCS[\"Pampa_del_Castillo_Argentina_3\",GEOGCS[\"GCS_Pampa_del_Castillo\",DATUM[\"D_Pampa_del_Castillo\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",3500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-66.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",-90.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"Pampa_del_Castillo_Argentina_3\",BASEGEOGCRS[\"GCS_Pampa_del_Castillo\",DATUM[\"D_Pampa_del_Castillo\",ELLIPSOID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",3500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-66.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",-90.0]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"9285\"]]",
  "description": "Pampa del Castillo Argentina 3",
  "authority": "EPSG",
  "version": "9.8.5(12.6.0)",
  "deprecated": "no",
  "areaname": "Argentina - 42.5~S to 50.3~S and east of 67.5~W",
  "extent": {
    "slat": -49.05,
    "nlat": -43.58,
    "llon": -67.5,
    "rlon": -65.47
  }
}