NAD 1983 HARN Adj. Wisconsin Brown - ESRI:104804

WKT

GEOGCS["GCS_NAD_1983_HARN_Adj_WI_Brown", 
	DATUM["D_NAD_1983_HARN_Adj_WI_BR", 
		SPHEROID["GRS_1980_Adj_WI_BR", 6378137.0, 298.257222100225]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_NAD_1983_HARN_Adj_WI_Brown", 
	DATUM["D_NAD_1983_HARN_Adj_WI_BR", 
		ELLIPSOID["GRS_1980_Adj_WI_BR", 6378137.0, 298.257222100225]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Longitude (lon)", east, 
		ORDER[1]], 
	AXIS["Latitude (lat)", north, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["Esri", "104804"]]

Data from @esri/proj-codes

{
  "wkid": 104804,
  "latestWkid": 104804,
  "macro": "PE_GCS_NAD_1983_HARN_ADJ_WI_BR",
  "name": "GCS_NAD_1983_HARN_Adj_WI_Brown",
  "wkt": "GEOGCS[\"GCS_NAD_1983_HARN_Adj_WI_Brown\",DATUM[\"D_NAD_1983_HARN_Adj_WI_BR\",SPHEROID[\"GRS_1980_Adj_WI_BR\",6378137.0,298.257222100225]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_NAD_1983_HARN_Adj_WI_Brown\",DATUM[\"D_NAD_1983_HARN_Adj_WI_BR\",ELLIPSOID[\"GRS_1980_Adj_WI_BR\",6378137.0,298.257222100225]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Longitude (lon)\",east,ORDER[1]],AXIS[\"Latitude (lat)\",north,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"Esri\",\"104804\"]]",
  "description": "NAD 1983 HARN Adj. Wisconsin Brown",
  "authority": "Esri",
  "version": "9.0.0",
  "deprecated": "yes",
  "areaname": "USA - Wisconsin",
  "extent": {
    "slat": 42.48,
    "nlat": 47.31,
    "llon": -92.89,
    "rlon": -86.25
  }
}