P 133 — NGS ME1661 — River Grove, US

USNGStrigunknown#215889
Latitude
41.929444°
Longitude
-87.845556°
Ortho h
190.53 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of reference points that form the foundation of the United States' geodetic infrastructure. Trig stations serve as control points for surveying, mapping, and engineering projects across the country. Located near River Grove, Illinois, at coordinates 41.92944° north latitude and 87.84556° west longitude, this point contributes to the accurate spatial framework for the Chicago metropolitan region. As a trig station, it was established to provide precise positional data for surveyors and professionals engaged in cadastral surveys, construction layout, and geographic information system development. Verification and documentation of such benchmarks remain essential for maintaining the integrity of geodetic networks and ensuring consistency in surveying work throughout the region.

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P 133 — NGS ME1661 — River Grove, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #215889 on SurveyingPedia and sits at an approximate elevation of 190.5 metres. Its coordinates in WGS84 are 41.929444°, -87.845556°, corresponding to 41° 55′ 46.00″ N, 87° 50′ 44.00″ 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 P 133 — NGS ME1661 — River Grove, 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)41.929444, -87.845556
WGS84 (DMS)41° 55′ 46.00″ N, 87° 50′ 44.00″ W
UTM zone (approx.)Zone 16N (approx.)
Elevation190.53 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
INDIAN — NGS ME3019 — Chicago, US
1.4 km away · US
US NGS · triangulation station
FRANKLIN PARK MUN TANK — NGS ME3095
1.7 km away · US
US NGS · triangulation station
R 133 — NGS ME1659 — Elmwood Park, US
1.7 km away · US
US NGS · triangulation station
STD 395 COC ECC — NGS ME3070 — Chicago, US
1.8 km away · US
US NGS · triangulation station
INDIAN AZ MK — NGS ME3093 — Chicago, US
1.9 km away · US
US NGS · triangulation station
ELMWOOD PARK UNITED CH CUPOLA — NGS ME3068
2.1 km away · US

Frequently asked questions

What is P 133 — NGS ME1661 — River Grove, US?

P 133 — NGS ME1661 — River Grove, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #215889 and sits at an elevation of 190.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of P 133 — NGS ME1661 — River Grove, US?

The position of P 133 — NGS ME1661 — River Grove, US in WGS84 is 41.929444°, -87.845556° (decimal), or 41° 55′ 46.00″ N, 87° 50′ 44.00″ 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.