EPSG:32166 NAD83 / BLM 16N (ftUS)
Projected system (Transverse Mercator) in use: USA - 90°W to 84°W and GoM OCS. The full definition below, and conversion in one click.
| Code | EPSG:32166 |
|---|---|
| Name | NAD83 / BLM 16N (ftUS) |
| Type | Projected system — Transverse Mercator |
| Area of use |
USA - 90°W to 84°W and GoM OCS United States (USA) - between 90°W and 84°W onshore and offshore - Alabama; Arkansas; Florida; Georgia; Indiana; Illinois; Kentucky; Louisiana; Michigan; Minnesota; Mississippi; Missouri; North Carolina; Ohio; Tennessee; Wisconsin; Gulf of Mexico outer continental shelf (GoM OCS) between approximately 90°W and 84°W - protraction areas Mobile; Viosca Knoll; Mississippi Canyon; Atwater Valley; Lund; Lund South; Pensacola; Destin Dome; De Soto Canyon; Lloyd Ridge; Henderson; Florida Plain; Campeche Escarpment; Apalachicola; Florida Middle Ground; The Elbow; Vernon Basin; Howell Hook; Rankin. |
| Bounds | W -90,01° · S 23,95° · E -83,91° · N 48,32° |
| Countries | United States |
| Datum | North American Datum 1983 |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:4269 — NAD83 |
| Unit | US survey foot (X east, Y north) |
| Transformation to WGS 84 | NAD83 to WGS 84 (1) (EPSG:1188) — accuracy 4 m |
| Scope | No official usage. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 0 | degree |
| Longitude of natural origin | -87 | degree |
| Scale factor at natural origin | 0.9996 | unity |
| False easting | 1640416.67 | US survey foot |
| False northing | 0 | US survey foot |
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=-87 +k=0.9996 +x_0=500000.001016002 +y_0=0 +a=6378137 +rf=298.257222101 +units=us-ft +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:32166.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_BLM_Zone_16N_ftUS",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",1640416.67],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-87.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["US survey foot",0.304800609601219]]Other systems — United States
- EPSG:32145NAD83 / Vermont
- EPSG:32146NAD83 / Virginia North
- EPSG:32147NAD83 / Virginia South
- EPSG:32148NAD83 / Washington North
- EPSG:32149NAD83 / Washington South
- EPSG:32150NAD83 / West Virginia North
- EPSG:32151NAD83 / West Virginia South
- EPSG:32152NAD83 / Wisconsin North
- EPSG:32153NAD83 / Wisconsin Central
- EPSG:32154NAD83 / Wisconsin South
- EPSG:32155NAD83 / Wyoming East
- EPSG:32156NAD83 / Wyoming East Central
- EPSG:32157NAD83 / Wyoming West Central
- EPSG:32158NAD83 / Wyoming West
- EPSG:32159NAD83 / Wyoming Lambert
- EPSG:32164NAD83 / BLM 14N (ftUS)
- EPSG:32165NAD83 / BLM 15N (ftUS)
- EPSG:32167NAD83 / BLM 17N (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.