OCONNOR — NGS ME2960 — Chicago, US

USNGStrigunknown#215181
Latitude
41.714481°
Longitude
-87.628022°
Ortho h
181.50 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that form the foundation of the United States' geodetic infrastructure. Located near Chicago, Illinois, at coordinates 41.71448°N, 87.62802°W, this trig point serves as a reference for horizontal position control in the region. Triangulation stations of this type were historically established to support surveying, mapping, and engineering projects through precise spatial reference points. Such monuments enable surveyors and engineers to tie local surveys to the national coordinate system with confidence. Verification and documentation of existing benchmarks remain valuable for maintaining the integrity of geodetic networks, particularly in established urban and industrial areas where development pressures may threaten their preservation. Current condition and accessibility information supports ongoing utility of these reference points for professional surveying work.

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OCONNOR — NGS ME2960 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215181 on SurveyingPedia and sits at an approximate elevation of 181.5 metres. Its coordinates in WGS84 are 41.714481°, -87.628022°, corresponding to 41° 42′ 52.13″ N, 87° 37′ 40.88″ 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 OCONNOR — NGS ME2960 — 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)41.714481, -87.628022
WGS84 (DMS)41° 42′ 52.13″ N, 87° 37′ 40.88″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation181.50 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
056 COC — NGS ME2912 — Chicago, US
0.6 km away · US
US NGS · triangulation station
551 — NGS DO9272 — Chicago, US
0.8 km away · US
US NGS · triangulation station
063 COC — NGS ME2903 — Chicago, US
1.5 km away · US
US NGS · triangulation station
370 — NGS DO9271 — Chicago, US
1.6 km away · US
US NGS · triangulation station
457 — NGS DO9273 — Chicago, US
2.1 km away · US
US NGS · triangulation station
CHICAGO ELECTRO DIVISION TANK — NGS ME2895
2.5 km away · US

Frequently asked questions

What is OCONNOR — NGS ME2960 — Chicago, US?

OCONNOR — NGS ME2960 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215181 and sits at an elevation of 181.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of OCONNOR — NGS ME2960 — Chicago, US?

The position of OCONNOR — NGS ME2960 — Chicago, US in WGS84 is 41.714481°, -87.628022° (decimal), or 41° 42′ 52.13″ N, 87° 37′ 40.88″ 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.