NAD 1983 HARN StatePlane Connecticut FIPS 0600 (US Feet) - EPSG:2879

WKT

PROJCS["NAD_1983_HARN_StatePlane_Connecticut_FIPS_0600_Feet", 
	GEOGCS["GCS_North_American_1983_HARN", 
		DATUM["D_North_American_1983_HARN", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Lambert_Conformal_Conic"], 
	PARAMETER["False_Easting", 999999.999996], 
	PARAMETER["False_Northing", 499999.999998], 
	PARAMETER["Central_Meridian", -72.75], 
	PARAMETER["Standard_Parallel_1", 41.2], 
	PARAMETER["Standard_Parallel_2", 41.86666666666667], 
	PARAMETER["Latitude_Of_Origin", 40.83333333333334], 
	UNIT["Foot_US", 0.3048006096012192]]

WKT2

PROJCRS["NAD_1983_HARN_StatePlane_Connecticut_FIPS_0600_Feet", 
	BASEGEOGCRS["GCS_North_American_1983_HARN", 
		DATUM["D_North_American_1983_HARN", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Lambert_Conformal_Conic", 
		METHOD["Lambert_Conformal_Conic"], 
		PARAMETER["False_Easting", 999999.999996, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]], 
		PARAMETER["False_Northing", 499999.999998, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]], 
		PARAMETER["Central_Meridian", -72.75], 
		PARAMETER["Standard_Parallel_1", 41.2], 
		PARAMETER["Standard_Parallel_2", 41.86666666666667], 
		PARAMETER["Latitude_Of_Origin", 40.83333333333334]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Foot_US", 0.3048006096012192], 
	ID["EPSG", "2879"]]

Data from @esri/proj-codes

{
  "wkid": 2879,
  "latestWkid": 2879,
  "gcsWkid": 4152,
  "macro": "PE_PCS_NAD_1983_HARN_CT_FT",
  "name": "NAD_1983_HARN_StatePlane_Connecticut_FIPS_0600_Feet",
  "wkt": "PROJCS[\"NAD_1983_HARN_StatePlane_Connecticut_FIPS_0600_Feet\",GEOGCS[\"GCS_North_American_1983_HARN\",DATUM[\"D_North_American_1983_HARN\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",999999.999996],PARAMETER[\"False_Northing\",499999.999998],PARAMETER[\"Central_Meridian\",-72.75],PARAMETER[\"Standard_Parallel_1\",41.2],PARAMETER[\"Standard_Parallel_2\",41.86666666666667],PARAMETER[\"Latitude_Of_Origin\",40.83333333333334],UNIT[\"Foot_US\",0.3048006096012192]]",
  "wkt2": "PROJCRS[\"NAD_1983_HARN_StatePlane_Connecticut_FIPS_0600_Feet\",BASEGEOGCRS[\"GCS_North_American_1983_HARN\",DATUM[\"D_North_American_1983_HARN\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Lambert_Conformal_Conic\",METHOD[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",999999.999996,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"False_Northing\",499999.999998,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"Central_Meridian\",-72.75],PARAMETER[\"Standard_Parallel_1\",41.2],PARAMETER[\"Standard_Parallel_2\",41.86666666666667],PARAMETER[\"Latitude_Of_Origin\",40.83333333333334]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Foot_US\",0.3048006096012192],ID[\"EPSG\",\"2879\"]]",
  "description": "NAD 1983 HARN StatePlane Connecticut FIPS 0600 (US Feet)",
  "authority": "EPSG",
  "version": "6.3(9.0.0)",
  "deprecated": "no",
  "areaname": "USA - Connecticut",
  "extent": {
    "slat": 40.98,
    "nlat": 42.05,
    "llon": -73.73,
    "rlon": -71.78
  }
}