Gambia - EPSG:6894

WKT

GEOGCS["GCS_Gambia", 
	DATUM["D_Gambia", 
		SPHEROID["Clarke_1880_RGS", 6378249.145, 293.465]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_Gambia", 
	DATUM["D_Gambia", 
		ELLIPSOID["Clarke_1880_RGS", 6378249.145, 293.465]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "6894"]]

Data from @esri/proj-codes

{
  "wkid": 6894,
  "latestWkid": 6894,
  "macro": "PE_GCS_GAMBIA",
  "name": "GCS_Gambia",
  "wkt": "GEOGCS[\"GCS_Gambia\",DATUM[\"D_Gambia\",SPHEROID[\"Clarke_1880_RGS\",6378249.145,293.465]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_Gambia\",DATUM[\"D_Gambia\",ELLIPSOID[\"Clarke_1880_RGS\",6378249.145,293.465]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"6894\"]]",
  "description": "Gambia",
  "authority": "EPSG",
  "version": "8.5.2(10.3.1)",
  "deprecated": "no",
  "areaname": "Gambia - onshore",
  "extent": {
    "slat": 13.05,
    "nlat": 13.83,
    "llon": -16.88,
    "rlon": -13.79
  }
}