M 305 — NGS DR8370 — Chicago, US

USNGStrigunknown#215714
Latitude
41.990626°
Longitude
-87.879280°
Ellipsoidal h
161.56 m
Ortho h
195.24 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 across the United States. Located near Chicago, Illinois, at coordinates 41.99063° N, 87.87928° W with an ellipsoidal elevation of 161.6 meters, this trigonometric point serves as a positional reference for regional surveys and engineering projects. Trig stations of this class provide accurate ground control that surveyors and engineers rely upon for precise locational data. The point's documented position and elevation enable users to verify local survey work, establish baselines for property surveys, and support infrastructure development. Maintenance and verification of such benchmarks remain essential to geodetic infrastructure, ensuring the continued reliability of positioning data across the Chicago metropolitan area and surrounding regions.

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M 305 — NGS DR8370 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215714 on SurveyingPedia and sits at an approximate elevation of 195.2 metres. Its coordinates in WGS84 are 41.990626°, -87.879280°, corresponding to 41° 59′ 26.25″ N, 87° 52′ 45.41″ 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 M 305 — NGS DR8370 — 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)41.990626, -87.879280
WGS84 (DMS)41° 59′ 26.25″ N, 87° 52′ 45.41″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation195.24 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
O HARE CHICAGO INTL APT TANK — NGS ME3169
0.7 km away · US
US NGS · triangulation station
AIRPORT BM K 18 COC — NGS ME3180 — Chicago, US
0.8 km away · US
US NGS · triangulation station
SULOWAY — NGS ME3186 — Chicago, US
0.8 km away · US
US NGS · triangulation station
B 11 — NGS ME3233 — Rosemont, US
1.0 km away · US
US NGS · monument
ORD CONTROL MON 115 — NGS DL6034 — Chicago, US
1.2 km away · US
US NGS · triangulation station
KARA CO 2 COOP CORS ARP — NGS DG9095 — Rosemont, US
1.2 km away · US

Frequently asked questions

What is M 305 — NGS DR8370 — Chicago, US?

M 305 — NGS DR8370 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215714 and sits at an elevation of 195.2 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of M 305 — NGS DR8370 — Chicago, US?

The position of M 305 — NGS DR8370 — Chicago, US in WGS84 is 41.990626°, -87.879280° (decimal), or 41° 59′ 26.25″ N, 87° 52′ 45.41″ 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.