OGDEN AZ MK — NGS ME2774 — Chicago, US

USNGStrigunknown#215151
Latitude
41.777579°
Longitude
-87.658750°
Ortho h
182.01 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's network of reference points that form the foundational framework for surveying and mapping across the United States. Located near Chicago, Illinois, at coordinates 41.77758°N, -87.65875°W, this trig point serves as a control station for establishing accurate horizontal positions in its region. Trigonometric stations like this one were historically established to support large-scale surveys and provide reliable reference marks for professional surveyors, engineers, and cartographers. The point's documented location enables surveyors to verify their own measurements and maintain consistency across projects. Verification and proper documentation of such benchmarks remain valuable for the surveying community. Accurate reference points support infrastructure development, land boundary determination, and long-term geodetic monitoring. Recording the station's continued accessibility and condition helps preserve this essential component of the nation's surveying infrastructure.

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OGDEN AZ MK — NGS ME2774 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215151 on SurveyingPedia and sits at an approximate elevation of 182.0 metres. Its coordinates in WGS84 are 41.777579°, -87.658750°, corresponding to 41° 46′ 39.28″ N, 87° 39′ 31.50″ 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 OGDEN AZ MK — NGS ME2774 — 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)41.777579, -87.658750
WGS84 (DMS)41° 46′ 39.28″ N, 87° 39′ 31.50″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation182.01 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
039 COC — NGS ME2772 — Chicago, US
0.1 km away · US
US NGS · triangulation station
OGDEN — NGS ME2734 — Chicago, US
0.4 km away · US
US NGS · triangulation station
OGDEN RM 2 — NGS ME3349 — Chicago, US
0.5 km away · US
US NGS · triangulation station
040 COC — NGS ME2737 — Chicago, US
0.6 km away · US
US NGS · triangulation station
CHICAGO DEPT OF SAN S TWR — NGS ME2733
0.6 km away · US
US NGS · triangulation station
CHICAGO ST BRENDAN CH SPIRE — NGS ME2732
0.7 km away · US

Frequently asked questions

What is OGDEN AZ MK — NGS ME2774 — Chicago, US?

OGDEN AZ MK — NGS ME2774 — Chicago, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215151 and sits at an elevation of 182.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of OGDEN AZ MK — NGS ME2774 — Chicago, US?

The position of OGDEN AZ MK — NGS ME2774 — Chicago, US in WGS84 is 41.777579°, -87.658750° (decimal), or 41° 46′ 39.28″ N, 87° 39′ 31.50″ 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.