COO1220 1B — NGS AJ2779 — Evergreen Park, US

USNGStrigunknown#215143
Latitude
41.721042°
Longitude
-87.687152°
Ellipsoidal h
163.65 m
Ortho h
197.11 m
Verifications
0
Last checked
Never
This NGS triangulation station serves as a horizontal and vertical control point within the National Geodetic Survey's integrated network of reference stations across the United States. Located near Evergreen Park, Illinois, at coordinates 41.72104°N, 87.68715°W with an ellipsoidal elevation of 163.7 meters, this trig point functions as a fundamental reference for surveying, mapping, and engineering projects throughout the region. Triangulation stations like this establish the geometric framework upon which precise positional data depends. Verification and documentation of such monuments remain essential for maintaining survey accuracy and ensuring consistency in large-scale spatial data collection. Surveyors and GIS professionals rely upon these established control points to validate measurements and support critical infrastructure development and maintenance activities.

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COO1220 1B — NGS AJ2779 — Evergreen Park, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215143 on SurveyingPedia and sits at an approximate elevation of 197.1 metres. Its coordinates in WGS84 are 41.721042°, -87.687152°, corresponding to 41° 43′ 15.75″ N, 87° 41′ 13.75″ W in the traditional degrees-minutes-seconds format. This page is a self-updating reference — all data is aggregated from public open sources and cross-checked periodically against the originating agency.

Professional surveyors, engineers, and topographers use points like COO1220 1B — NGS AJ2779 — Evergreen Park, US to anchor total-station traverses, verify GNSS/RTK solutions, calibrate levelling instruments, and validate survey deliverables against known coordinates. The record on this page is refreshed daily via automated pipelines that monitor the public sources for any updates, corrections, or status changes.

Coordinate formats

WGS84 (decimal)41.721042, -87.687152
WGS84 (DMS)41° 43′ 15.75″ N, 87° 41′ 13.75″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation197.11 m
Precise conversionOpen in coordinate converter →

Geodetic context in United States

The national geodetic reference in United States is maintained by National Geodetic Survey (NGS). The active datum is NAD83(2011) / NATRF2022 (active). Coordinates shown on this page are expressed in WGS84 (ETRF/ITRF-compatible) which is directly usable in most modern GNSS receivers. For cadastral work in United States you may need to convert to the local datum using the Coordinate Hub.

Browse the full list of indexed control points in United States from the country page.

Nearby benchmarks

The closest 6 indexed control points within roughly 50 km of this location:

US NGS · triangulation station
EVERGREEN PARK CO MARY SPIRE — NGS ME2976
0.5 km away · US
US NGS · triangulation station
COO1220 1A — NGS AJ2778 — Evergreen Park, US
0.8 km away · US
US NGS · triangulation station
424 — NGS DO9270 — Chicago, US
1.1 km away · US
US NGS · triangulation station
042 — NGS ME2973 — Cook County, US
1.6 km away · US
US NGS · triangulation station
RYAN — NGS ME2970 — Chicago, US
1.8 km away · US
GeoNames topographic database · ridge
Blue Island
2.1 km away · US

Frequently asked questions

What is COO1220 1B — NGS AJ2779 — Evergreen Park, US?

COO1220 1B — NGS AJ2779 — Evergreen Park, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215143 and sits at an elevation of 197.1 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of COO1220 1B — NGS AJ2779 — Evergreen Park, US?

The position of COO1220 1B — NGS AJ2779 — Evergreen Park, US in WGS84 is 41.721042°, -87.687152° (decimal), or 41° 43′ 15.75″ N, 87° 41′ 13.75″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 16N (approx.).

How can I reach and visit this triangulation station?

Use the satellite imagery above to see the surrounding area. You can open this location directly in Google Maps, Google Earth, Bing Maps, or OpenStreetMap using the buttons provided. Many geodetic points are accessible to the public; some are on protected or private land — check local regulations before any field visit. Always bring documentation or your credentials if you plan to use the marker for professional measurement.

Is this point verified and usable for professional surveying?

This record has been community-verified 0 times. Data quality depends on the source: NGS and official national agency points are typically centimetre-accurate, OpenStreetMap survey points are metre-accurate, and GeoNames topographic landmarks (peaks, hills) are reference-grade only. Always cross-reference with the original agency datasheet before using this point for cadastral, legal, or safety-critical work.

Original source: this record was imported from ngs_public. Always refer to the original datasheet for the most up-to-date and authoritative data.