SPCS Zone Michigan South (DEPRECATED) - EPSG:26813

WKT

PROJCS["NAD_Michigan_StatePlane_Michigan_South_FIPS_2113", 
	GEOGCS["GCS_North_American_Michigan", 
		DATUM["D_North_American_Michigan", 
			SPHEROID["Clarke_1866_Michigan", 6378450.047, 294.978684677]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Lambert_Conformal_Conic"], 
	PARAMETER["False_Easting", 2000000.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", -84.33333333333333], 
	PARAMETER["Standard_Parallel_1", 42.1], 
	PARAMETER["Standard_Parallel_2", 43.66666666666666], 
	PARAMETER["Latitude_Of_Origin", 41.5], 
	UNIT["Foot_US", 0.3048006096012192]]

WKT2

PROJCRS["NAD_Michigan_StatePlane_Michigan_South_FIPS_2113", 
	BASEGEOGCRS["GCS_North_American_Michigan", 
		DATUM["D_North_American_Michigan", 
			ELLIPSOID["Clarke_1866_Michigan", 6378450.047, 294.978684677]], 
		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", 2000000.0, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]], 
		PARAMETER["False_Northing", 0.0, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]], 
		PARAMETER["Central_Meridian", -84.33333333333333], 
		PARAMETER["Standard_Parallel_1", 42.1], 
		PARAMETER["Standard_Parallel_2", 43.66666666666666], 
		PARAMETER["Latitude_Of_Origin", 41.5]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Foot_US", 0.3048006096012192], 
	ID["EPSG", "26813"]]

Data from @esri/proj-codes

{
  "wkid": 26813,
  "latestWkid": 26813,
  "gcsWkid": 4268,
  "macro": "PE_PCS_NAD_MICH_MI_S",
  "name": "NAD_Michigan_StatePlane_Michigan_South_FIPS_2113",
  "wkt": "PROJCS[\"NAD_Michigan_StatePlane_Michigan_South_FIPS_2113\",GEOGCS[\"GCS_North_American_Michigan\",DATUM[\"D_North_American_Michigan\",SPHEROID[\"Clarke_1866_Michigan\",6378450.047,294.978684677]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Conformal_Conic\"],PARAMETER[\"False_Easting\",2000000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-84.33333333333333],PARAMETER[\"Standard_Parallel_1\",42.1],PARAMETER[\"Standard_Parallel_2\",43.66666666666666],PARAMETER[\"Latitude_Of_Origin\",41.5],UNIT[\"Foot_US\",0.3048006096012192]]",
  "wkt2": "PROJCRS[\"NAD_Michigan_StatePlane_Michigan_South_FIPS_2113\",BASEGEOGCRS[\"GCS_North_American_Michigan\",DATUM[\"D_North_American_Michigan\",ELLIPSOID[\"Clarke_1866_Michigan\",6378450.047,294.978684677]],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\",2000000.0,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"False_Northing\",0.0,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"Central_Meridian\",-84.33333333333333],PARAMETER[\"Standard_Parallel_1\",42.1],PARAMETER[\"Standard_Parallel_2\",43.66666666666666],PARAMETER[\"Latitude_Of_Origin\",41.5]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Foot_US\",0.3048006096012192],ID[\"EPSG\",\"26813\"]]",
  "description": "SPCS Zone Michigan South (DEPRECATED)",
  "authority": "EPSG",
  "version": "3.0(4.0.0)",
  "deprecated": "yes",
  "areaname": "USA - Michigan - SPCS - S",
  "extent": {
    "slat": 41.69,
    "nlat": 44.22,
    "llon": -87.2,
    "rlon": -82.13
  }
}