C 7 — NGS ME3251 — Chicago, US

USNGStrigunknown#215078
Latitude
41.889332°
Longitude
-87.610692°
Ellipsoidal h
145.62 m
Ortho h
179.24 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Located near Chicago, Illinois, this trig point serves as a reference for local and regional surveys requiring high-precision horizontal and vertical control. Triangulation stations are monumented points established at carefully selected locations to provide durable geodetic control across broad areas. The ellipsoidal elevation of 145.6 meters is referenced to the current geodetic datum. Verification and documentation of such control points remain essential to the surveying profession, enabling accurate property surveys, engineering projects, and infrastructure development. Professionals conducting surveys in this region may reference this station to establish local control networks and ensure positional accuracy for their work.

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C 7 — NGS ME3251 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215078 on SurveyingPedia and sits at an approximate elevation of 179.2 metres. Its coordinates in WGS84 are 41.889332°, -87.610692°, corresponding to 41° 53′ 21.60″ N, 87° 36′ 38.49″ 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 C 7 — NGS ME3251 — 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)41.889332, -87.610692
WGS84 (DMS)41° 53′ 21.60″ N, 87° 36′ 38.49″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation179.24 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
DOCK — NGS ME3260 — Chicago, US
0.0 km away · US
US NGS · triangulation station
NPIF — NGS AJ2806 — Chicago, US
0.1 km away · US
US NGS · triangulation station
LAMP — NGS ME1960 — Chicago, US
0.1 km away · US
US NGS · triangulation station
DAVIT — NGS ME1963 — Chicago, US
0.1 km away · US
US NGS · triangulation station
AME 108 CHI — NGS AE9238 — Chicago, US
0.2 km away · US
US NGS · triangulation station
WL 242 — NGS AE9233 — Chicago, US
0.2 km away · US

Frequently asked questions

What is C 7 — NGS ME3251 — Chicago, US?

C 7 — NGS ME3251 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215078 and sits at an elevation of 179.2 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of C 7 — NGS ME3251 — Chicago, US?

The position of C 7 — NGS ME3251 — Chicago, US in WGS84 is 41.889332°, -87.610692° (decimal), or 41° 53′ 21.60″ N, 87° 36′ 38.49″ 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.