CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822

USNGStrigunknown#215256
Latitude
41.935855°
Longitude
-87.664007°
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the foundational control framework for surveying and mapping throughout the United States. Located in the Chicago, Illinois area at coordinates 41.93585° N, 87.66401° W, this trig point serves as a reference monument for horizontal position control. Triangulation stations of this type historically provided accurate spatial reference data for large-scale surveying projects, infrastructure development, and cartographic work. The point's documented geographic coordinates allow surveyors and engineers to tie local measurements to the national geodetic datum. Verification and maintenance of such control points remains valuable for quality assurance in modern surveying operations, GPS network calibration, and historical continuity of geodetic records. Documentation of these monuments supports institutional knowledge and helps preserve the integrity of the nation's spatial reference infrastructure.

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CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822 is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215256 on SurveyingPedia. Its coordinates in WGS84 are 41.935855°, -87.664007°, corresponding to 41° 56′ 9.08″ N, 87° 39′ 50.42″ 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 CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822 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)41.935855, -87.664007
WGS84 (DMS)41° 56′ 9.08″ N, 87° 39′ 50.42″ W
UTM zone (approx.)Zone 16N (approx.)
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
CHICAGO DEL VALLE CH SPIRE — NGS ME2817
0.7 km away · US
US NGS · triangulation station
U 134 — NGS ME1910 — Chicago, US
0.8 km away · US
US NGS · triangulation station
RV 6 — NGS ME1909 — Chicago, US
0.9 km away · US
US NGS · triangulation station
G 134 — NGS ME1907 — Chicago, US
1.4 km away · US
US NGS · triangulation station
CHICAGO ST ANDREW CH TWR — NGS ME2827
1.4 km away · US
US NGS · triangulation station
CHICAGO ST JOSAPHATS CH SPIRE — NGS ME2821
1.4 km away · US

Frequently asked questions

What is CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822?

CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822 is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215256. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822?

The position of CHICAGO ST ALPHONSUS CH SPIRE — NGS ME2822 in WGS84 is 41.935855°, -87.664007° (decimal), or 41° 56′ 9.08″ N, 87° 39′ 50.42″ 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.