COOK — NGS ME2739 — Chicago, US

USNGStrigunknown#215498
Latitude
41.871913°
Longitude
-87.674569°
Ortho h
235.70 m
Verifications
0
Last checked
Never
This NGS triangulation station serves as a geodetic control point within the National Geodetic Survey's network, which establishes the authoritative coordinate framework for the United States. Positioned near Chicago, Illinois at coordinates 41.87191°N, 87.67457°W, this trig point functions as a reference for surveying, mapping, and engineering projects throughout the region. Triangulation stations of this type were historically observed and incorporated into the national control network to provide precise horizontal positioning data. Documentation and verification of such benchmarks remain essential for maintaining geodetic infrastructure integrity, supporting modern surveys, and ensuring consistency between contemporary satellite-based positioning systems and historical survey records. Professionals undertaking work in this area should consult the NGS database for current condition reports and any relevant superseding control information.

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COOK — NGS ME2739 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215498 on SurveyingPedia and sits at an approximate elevation of 235.7 metres. Its coordinates in WGS84 are 41.871913°, -87.674569°, corresponding to 41° 52′ 18.89″ N, 87° 40′ 28.45″ 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 COOK — NGS ME2739 — Chicago, 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)41.871913, -87.674569
WGS84 (DMS)41° 52′ 18.89″ N, 87° 40′ 28.45″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation235.70 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
030 COC — NGS ME2777 — Chicago, US
0.2 km away · US
US NGS · triangulation station
029 COC — NGS ME2776 — Chicago, US
0.3 km away · US
US NGS · triangulation station
CHICAGO CONGREGATIONAL SPIRE — NGS ME2826
1.4 km away · US
US NGS · triangulation station
016 COC — NGS ME2824 — Chicago, US
1.5 km away · US
US NGS · triangulation station
CHICAGO ST ADALBERT CH CUPOLA — NGS ME2738
1.6 km away · US
US NGS · triangulation station
KARA CO 7 COOP CORS ARP — NGS DG9105 — Chicago, US
2.1 km away · US

Frequently asked questions

What is COOK — NGS ME2739 — Chicago, US?

COOK — NGS ME2739 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215498 and sits at an elevation of 235.7 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of COOK — NGS ME2739 — Chicago, US?

The position of COOK — NGS ME2739 — Chicago, US in WGS84 is 41.871913°, -87.674569° (decimal), or 41° 52′ 18.89″ N, 87° 40′ 28.45″ 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.