EPSG.dev

USA - Rhode Island - EPSG:8775

Detailed Extent

WKT

HVCOORDSYS["NAD_1983_Rhode_Island_Ft_US_and_NAVD88_height_Ft_US", 
	PROJCS["NAD_1983_StatePlane_Rhode_Island_FIPS_3800_Feet", 
		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", 328083.3333333333], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", -71.5], 
		PARAMETER["Scale_Factor", 0.99999375], 
		PARAMETER["Latitude_Of_Origin", 41.08333333333334], 
		UNIT["Foot_US", 0.3048006096012192]], 
	VERTCS["NAVD88_height_(ftUS)", 
		VDATUM["North_American_Vertical_Datum_1988"], 
		PARAMETER["Vertical_Shift", 0.0], 
		PARAMETER["Direction", 1.0], 
		UNIT["Foot_US", 0.3048006096012192]]]

WKT2

COMPOUNDCRS["NAD_1983_Rhode_Island_Ft_US_and_NAVD88_height_Ft_US", 
	PROJCRS["NAD_1983_StatePlane_Rhode_Island_FIPS_3800_Feet", 
		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", 328083.3333333333, 
				LENGTHUNIT["Foot_US", 0.3048006096012192]], 
			PARAMETER["False_Northing", 0.0, 
				LENGTHUNIT["Foot_US", 0.3048006096012192]], 
			PARAMETER["Central_Meridian", -71.5], 
			PARAMETER["Scale_Factor", 0.99999375], 
			PARAMETER["Latitude_Of_Origin", 41.08333333333334]], 
		CS[Cartesian, 2], 
		AXIS["Easting (X)", east, 
			ORDER[1]], 
		AXIS["Northing (Y)", north, 
			ORDER[2]], 
		LENGTHUNIT["Foot_US", 0.3048006096012192]], 
	VERTCRS["NAVD88_height_(ftUS)", 
		VDATUM["North_American_Vertical_Datum_1988"], 
		CS[vertical, 1], 
		AXIS["Gravity-related height (H)", up, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]]], 
	ID["EPSG", "8775"]]

Data from @esri/proj-codes

{
  "wkid": 8775,
  "latestWkid": 8775,
  "pcsWkid": 3438,
  "gcsWkid": 4269,
  "vcsWkid": 6360,
  "macro": "PE_HVC_NAD_1983_SPCS_RI_USFT_NAVD88_HT_USFT",
  "name": "NAD_1983_Rhode_Island_Ft_US_and_NAVD88_height_Ft_US",
  "wkt": "HVCOORDSYS[\"NAD_1983_Rhode_Island_Ft_US_and_NAVD88_height_Ft_US\",PROJCS[\"NAD_1983_StatePlane_Rhode_Island_FIPS_3800_Feet\",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\",328083.3333333333],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-71.5],PARAMETER[\"Scale_Factor\",0.99999375],PARAMETER[\"Latitude_Of_Origin\",41.08333333333334],UNIT[\"Foot_US\",0.3048006096012192]],VERTCS[\"NAVD88_height_(ftUS)\",VDATUM[\"North_American_Vertical_Datum_1988\"],PARAMETER[\"Vertical_Shift\",0.0],PARAMETER[\"Direction\",1.0],UNIT[\"Foot_US\",0.3048006096012192]]]",
  "wkt2": "COMPOUNDCRS[\"NAD_1983_Rhode_Island_Ft_US_and_NAVD88_height_Ft_US\",PROJCRS[\"NAD_1983_StatePlane_Rhode_Island_FIPS_3800_Feet\",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\",328083.3333333333,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"False_Northing\",0.0,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"Central_Meridian\",-71.5],PARAMETER[\"Scale_Factor\",0.99999375],PARAMETER[\"Latitude_Of_Origin\",41.08333333333334]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Foot_US\",0.3048006096012192]],VERTCRS[\"NAVD88_height_(ftUS)\",VDATUM[\"North_American_Vertical_Datum_1988\"],CS[vertical,1],AXIS[\"Gravity-related height (H)\",up,LENGTHUNIT[\"Foot_US\",0.3048006096012192]]],ID[\"EPSG\",\"8775\"]]",
  "description": "USA - Rhode Island",
  "authority": "EPSG",
  "version": "9.4(10.8.0)",
  "deprecated": "no",
  "areaname": "USA - Rhode Island",
  "extent": {
    "slat": 41.13,
    "nlat": 42.02,
    "llon": -71.85,
    "rlon": -71.08
  }
}