US National Atlas Equal Area - EPSG:2163

WKT

PROJCS["US_National_Atlas_Equal_Area", 
	GEOGCS["GCS_Sphere_Clarke_1866_Authalic", 
		DATUM["D_Sphere_Clarke_1866_Authalic", 
			SPHEROID["Sphere_Clarke_1866_Authalic", 6370997.0, 0.0]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Lambert_Azimuthal_Equal_Area"], 
	PARAMETER["False_Easting", 0.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", -100.0], 
	PARAMETER["Latitude_Of_Origin", 45.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["US_National_Atlas_Equal_Area", 
	BASEGEOGCRS["GCS_Sphere_Clarke_1866_Authalic", 
		DATUM["D_Sphere_Clarke_1866_Authalic", 
			ELLIPSOID["Sphere_Clarke_1866_Authalic", 6370997.0, 0.0]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Lambert_Azimuthal_Equal_Area", 
		METHOD["Lambert_Azimuthal_Equal_Area"], 
		PARAMETER["False_Easting", 0.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", -100.0], 
		PARAMETER["Latitude_Of_Origin", 45.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "2163"]]

Data from @esri/proj-codes

{
  "wkid": 2163,
  "latestWkid": 2163,
  "gcsWkid": 4052,
  "macro": "PE_PCS_US_NATIONAL_ATLAS_EQUAL_AREA",
  "name": "US_National_Atlas_Equal_Area",
  "wkt": "PROJCS[\"US_National_Atlas_Equal_Area\",GEOGCS[\"GCS_Sphere_Clarke_1866_Authalic\",DATUM[\"D_Sphere_Clarke_1866_Authalic\",SPHEROID[\"Sphere_Clarke_1866_Authalic\",6370997.0,0.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Lambert_Azimuthal_Equal_Area\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-100.0],PARAMETER[\"Latitude_Of_Origin\",45.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"US_National_Atlas_Equal_Area\",BASEGEOGCRS[\"GCS_Sphere_Clarke_1866_Authalic\",DATUM[\"D_Sphere_Clarke_1866_Authalic\",ELLIPSOID[\"Sphere_Clarke_1866_Authalic\",6370997.0,0.0]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Lambert_Azimuthal_Equal_Area\",METHOD[\"Lambert_Azimuthal_Equal_Area\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-100.0],PARAMETER[\"Latitude_Of_Origin\",45.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"2163\"]]",
  "description": "US National Atlas Equal Area",
  "authority": "EPSG",
  "version": "6.5.2(9.2.0)",
  "deprecated": "no",
  "areaname": "USA",
  "extent": {
    "slat": 15.56,
    "nlat": 74.71,
    "llon": 167.65,
    "rlon": -65.69
  }
}