K 135 — NGS ME1814 — Chicago, US

USNGStrigunknown#215438
Latitude
41.850556°
Longitude
-87.638056°
Ortho h
180.97 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes precise geographic positions across the United States. As a trig point, it served the fundamental purpose of providing accurate coordinate reference data for regional surveying and mapping projects. Located near Chicago, Illinois, at approximately 41.85056° N, 87.63806° W, this benchmark contributes to the geodetic framework essential for civil engineering, land surveying, and geographic information systems. Trig stations of this network type historically formed the backbone of large-scale positional surveys prior to modern satellite techniques. Verification and documentation of such control points remains valuable for understanding survey history, validating legacy measurements, and maintaining continuity in spatial reference systems. Professional surveyors and geodesists benefit from accessing accurate records of these monuments to ensure consistency across multiple survey projects and coordinate systems.

Verify this point

Sign in to submit a verification from the field.

Verification history (0)

No verifications yet. Be the first to check this point!
🛰️ Satellite view
ESRI World Imagery · zoom 16 (~1 m/px)
Open in Google Earth →
Satellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, USSatellite imagery of K 135 — NGS ME1814 — Chicago, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

K 135 — NGS ME1814 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215438 on SurveyingPedia and sits at an approximate elevation of 181.0 metres. Its coordinates in WGS84 are 41.850556°, -87.638056°, corresponding to 41° 51′ 2.00″ N, 87° 38′ 17.00″ 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 K 135 — NGS ME1814 — 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)41.850556, -87.638056
WGS84 (DMS)41° 51′ 2.00″ N, 87° 38′ 17.00″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation180.97 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
B 302 — NGS ME3344 — Chicago, US
0.6 km away · US
US NGS · triangulation station
A 302 — NGS ME3345 — Chicago, US
0.6 km away · US
US NGS · triangulation station
PBM 136 — NGS ME1816 — Chicago, US
0.6 km away · US
US NGS · triangulation station
L 135 — NGS ME1813 — Chicago, US
0.7 km away · US
US NGS · triangulation station
J 135 — NGS ME1610 — Chicago, US
0.8 km away · US
US NGS · triangulation station
H 137 — NGS ME1897 — Chicago, US
0.9 km away · US

Frequently asked questions

What is K 135 — NGS ME1814 — Chicago, US?

K 135 — NGS ME1814 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215438 and sits at an elevation of 181.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of K 135 — NGS ME1814 — Chicago, US?

The position of K 135 — NGS ME1814 — Chicago, US in WGS84 is 41.850556°, -87.638056° (decimal), or 41° 51′ 2.00″ N, 87° 38′ 17.00″ 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.