USA - Alaska - north of 54.5~N; 168~W to 164~W - EPSG:8810
Detailed Extent
WKT
HVCOORDSYS["NAD_1983_Alaska_8_and_NAVD88_height",
PROJCS["NAD_1983_StatePlane_Alaska_8_FIPS_5008",
GEOGCS["GCS_North_American_1983",
DATUM["D_North_American_1983",
SPHEROID["GRS_1980", 6378137.0, 298.257222101]],
PRIMEM["Greenwich", 0.0],
UNIT["Degree", 0.0174532925199433]],
PROJECTION["Transverse_Mercator"],
PARAMETER["False_Easting", 500000.0],
PARAMETER["False_Northing", 0.0],
PARAMETER["Central_Meridian", -166.0],
PARAMETER["Scale_Factor", 0.9999],
PARAMETER["Latitude_Of_Origin", 54.0],
UNIT["Meter", 1.0]],
VERTCS["NAVD_1988",
VDATUM["North_American_Vertical_Datum_1988"],
PARAMETER["Vertical_Shift", 0.0],
PARAMETER["Direction", 1.0],
UNIT["Meter", 1.0]]]
WKT2
COMPOUNDCRS["NAD_1983_Alaska_8_and_NAVD88_height",
PROJCRS["NAD_1983_StatePlane_Alaska_8_FIPS_5008",
BASEGEOGCRS["GCS_North_American_1983",
DATUM["D_North_American_1983",
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["Transverse_Mercator",
METHOD["Transverse_Mercator"],
PARAMETER["False_Easting", 500000.0],
PARAMETER["False_Northing", 0.0],
PARAMETER["Central_Meridian", -166.0],
PARAMETER["Scale_Factor", 0.9999],
PARAMETER["Latitude_Of_Origin", 54.0]],
CS[Cartesian, 2],
AXIS["Easting (X)", east,
ORDER[1]],
AXIS["Northing (Y)", north,
ORDER[2]],
LENGTHUNIT["Meter", 1.0]],
VERTCRS["NAVD_1988",
VDATUM["North_American_Vertical_Datum_1988"],
CS[vertical, 1],
AXIS["Gravity-related height (H)", up,
LENGTHUNIT["Meter", 1.0]]],
ID["EPSG", "8810"]]
Data from @esri/proj-codes
{
"wkid": 8810,
"latestWkid": 8810,
"pcsWkid": 26938,
"gcsWkid": 4269,
"vcsWkid": 5703,
"macro": "PE_HVC_NAD_1983_SPCS_AK_8_NAVD88_HT",
"name": "NAD_1983_Alaska_8_and_NAVD88_height",
"wkt": "HVCOORDSYS[\"NAD_1983_Alaska_8_and_NAVD88_height\",PROJCS[\"NAD_1983_StatePlane_Alaska_8_FIPS_5008\",GEOGCS[\"GCS_North_American_1983\",DATUM[\"D_North_American_1983\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-166.0],PARAMETER[\"Scale_Factor\",0.9999],PARAMETER[\"Latitude_Of_Origin\",54.0],UNIT[\"Meter\",1.0]],VERTCS[\"NAVD_1988\",VDATUM[\"North_American_Vertical_Datum_1988\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Meter\",1.0]]]",
"wkt2": "COMPOUNDCRS[\"NAD_1983_Alaska_8_and_NAVD88_height\",PROJCRS[\"NAD_1983_StatePlane_Alaska_8_FIPS_5008\",BASEGEOGCRS[\"GCS_North_American_1983\",DATUM[\"D_North_American_1983\",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[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-166.0],PARAMETER[\"Scale_Factor\",0.9999],PARAMETER[\"Latitude_Of_Origin\",54.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0]],VERTCRS[\"NAVD_1988\",VDATUM[\"North_American_Vertical_Datum_1988\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Meter\",1.0]]],ID[\"EPSG\",\"8810\"]]",
"description": "USA - Alaska - north of 54.5~N; 168~W to 164~W",
"authority": "EPSG",
"version": "9.4(10.8.0)",
"deprecated": "no",
"areaname": "USA - Alaska - north of 54.5~N; 168~W to 164~W",
"extent": {
"slat": 54.34,
"nlat": 69.05,
"llon": -168.26,
"rlon": -164
}
}