EPSG:7122 NAD83(2011) / RMTCRS Fort Belknap (ft)
Projected system (Lambert Conic Conformal (1SP)) in use: USA - Montana - Fort Belknap. The full definition below, and conversion in one click.
| Code | EPSG:7122 |
|---|---|
| Name | NAD83(2011) / RMTCRS Fort Belknap (ft) |
| Type | Projected system — Lambert Conic Conformal (1SP) |
| Area of use |
USA - Montana - Fort Belknap United States (USA) - Montana - Fort Belknap Indian Reservation area. |
| Bounds | W -110,84° · S 47,78° · E -106,99° · N 49,01° |
| Countries | United States |
| Datum | NAD83 (National Spatial Reference System 2011) |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Base geographic system | EPSG:6318 — NAD83(2011) |
| Unit | foot (X east, Y north) |
| Transformation to WGS 84 | NAD83(2011) to WGS 84 (1) (EPSG:9774) — accuracy 2 m |
| Scope | Engineering survey. |
Projection parameters
| Parameter | Value | Unit |
|---|---|---|
| Latitude of natural origin | 48.5 | degree |
| Longitude of natural origin | -108.5 | degree |
| Scale factor at natural origin | 1.00012 | unity |
| False easting | 656167.979 | foot |
| False northing | 492125.9843 | foot |
proj4 definition
+proj=lcc +lat_1=48.5 +lat_0=48.5 +lon_0=-108.5 +k_0=1.00012 +x_0=199999.9999992 +y_0=150000.00001464 +ellps=GRS80 +units=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:7122.
WKT (ESRI format, the .prj content)
PROJCS["NAD_1983_2011_RMTCRS_Fort_Belknap_Ft_Intl",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",656167.979],PARAMETER["False_Northing",492125.9843],PARAMETER["Central_Meridian",-108.5],PARAMETER["Standard_Parallel_1",48.5],PARAMETER["Scale_Factor",1.00012],PARAMETER["Latitude_Of_Origin",48.5],UNIT["foot",0.3048]]Other systems — United States
- EPSG:7112NAD83(2011) / RMTCRS Fort Belknap (m)
- EPSG:7113NAD83(2011) / RMTCRS Fort Peck Assiniboine (m)
- EPSG:7114NAD83(2011) / RMTCRS Fort Peck Sioux (m)
- EPSG:7115NAD83(2011) / RMTCRS Crow (m)
- EPSG:7116NAD83(2011) / RMTCRS Bobcat (m)
- EPSG:7117NAD83(2011) / RMTCRS Billings (m)
- EPSG:7118NAD83(2011) / RMTCRS Wind River (m)
- EPSG:7119NAD83(2011) / RMTCRS St Mary (ft)
- EPSG:7120NAD83(2011) / RMTCRS Blackfeet (ft)
- EPSG:7121NAD83(2011) / RMTCRS Milk River (ft)
- EPSG:7123NAD83(2011) / RMTCRS Fort Peck Assiniboine (ft)
- EPSG:7124NAD83(2011) / RMTCRS Fort Peck Sioux (ft)
- EPSG:7125NAD83(2011) / RMTCRS Crow (ft)
- EPSG:7126NAD83(2011) / RMTCRS Bobcat (ft)
- EPSG:7127NAD83(2011) / RMTCRS Billings (ft)
- EPSG:7128NAD83(2011) / RMTCRS Wind River (ftUS)
- EPSG:7131NAD83(2011) / San Francisco CS13
- EPSG:7132NAD83(2011) / San Francisco CS13 (ftUS)
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.