J 135 — NGS ME1610 — Chicago, US

USNGStrigunknown#215453
Latitude
41.855000°
Longitude
-87.630278°
Ortho h
180.43 m
Verifications
0
Last checked
Never
This triangulation station represents part of the NGS network that forms the backbone of horizontal geodetic control across the United States. Located in the Chicago, Illinois area at coordinates 41.85500° N, 87.63028° W, this trig point serves as a reference monument for surveying and mapping activities. Triangulation stations of this type were historically established to provide accurate horizontal position data for large-scale geodetic surveys. The point's continued documentation and verification in the NGS registry supports ongoing survey work, land records management, and geographic information system development. Surveyors and engineers rely on such established control points to ensure consistency and accuracy in their measurements. Regular confirmation of benchmark locations and their accessibility remains important for maintaining the integrity of the national geodetic network and supporting professional surveying practices.

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J 135 — NGS ME1610 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215453 on SurveyingPedia and sits at an approximate elevation of 180.4 metres. Its coordinates in WGS84 are 41.855000°, -87.630278°, corresponding to 41° 51′ 18.00″ N, 87° 37′ 49.00″ 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 J 135 — NGS ME1610 — 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)41.855000, -87.630278
WGS84 (DMS)41° 51′ 18.00″ N, 87° 37′ 49.00″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation180.43 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
PBM 136 — NGS ME1816 — Chicago, US
0.4 km away · US
US NGS · triangulation station
K 135 — NGS ME1814 — Chicago, US
0.8 km away · US
US NGS · triangulation station
H 135 — NGS ME1611 — Chicago, US
0.8 km away · US
US NGS · triangulation station
H 137 — NGS ME1897 — Chicago, US
1.1 km away · US
US NGS · triangulation station
A 302 — NGS ME3345 — Chicago, US
1.2 km away · US
US NGS · triangulation station
H 266 — NGS ME1896 — Chicago, US
1.2 km away · US

Frequently asked questions

What is J 135 — NGS ME1610 — Chicago, US?

J 135 — NGS ME1610 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215453 and sits at an elevation of 180.4 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of J 135 — NGS ME1610 — Chicago, US?

The position of J 135 — NGS ME1610 — Chicago, US in WGS84 is 41.855000°, -87.630278° (decimal), or 41° 51′ 18.00″ N, 87° 37′ 49.00″ 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.