HARDING RM 1 — NGS JC0164 — Saint Clair County, US

USNGStrigunknown#7028
Latitude
38.622731°
Longitude
-90.075267°
Ortho h
128.69 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's network, which forms the foundation of the United States' horizontal geodetic control system. Trig stations serve as precisely positioned reference points used to establish accurate geographic coordinates for surveying, mapping, and engineering projects across the country. Located in Saint Clair County, Illinois, at coordinates 38.62273° N, 90.07527° W, this benchmark contributes to the spatial framework essential for cadastral surveys, infrastructure development, and geographic information systems. The documented coordinates enable surveyors and engineers to tie local measurements into the national datum. Verification and maintenance of such control points remain critical for ensuring the continued accuracy and reliability of all dependent surveying work. The systematic documentation and preservation of these markers supports long-term spatial data integrity.

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HARDING RM 1 — NGS JC0164 — Saint Clair County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #7028 on SurveyingPedia and sits at an approximate elevation of 128.7 metres. Its coordinates in WGS84 are 38.622731°, -90.075267°, corresponding to 38° 37′ 21.83″ N, 90° 4′ 30.96″ 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 HARDING RM 1 — NGS JC0164 — Saint Clair County, 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)38.622731, -90.075267
WGS84 (DMS)38° 37′ 21.83″ N, 90° 4′ 30.96″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation128.69 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
HARDING — NGS JC0163 — Saint Clair County, US
0.0 km away · US
US NGS · triangulation station
HARDING RM 2 — NGS JC0162 — Saint Clair County, US
0.0 km away · US
US NGS · triangulation station
WASHINGTON PARK RAD WEW MAST — NGS JC1579 — Caseyville, US
0.3 km away · US
US NGS · triangulation station
WASHINGTON PARK ST MARTIN CH — NGS JC1576
1.2 km away · US
US NGS · triangulation station
Z 248 — NGS JC0158 — Washington Park, US
1.4 km away · US
US NGS · triangulation station
A 249 — NGS JC0165 — Saint Clair County, US
1.4 km away · US

Frequently asked questions

What is HARDING RM 1 — NGS JC0164 — Saint Clair County, US?

HARDING RM 1 — NGS JC0164 — Saint Clair County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #7028 and sits at an elevation of 128.7 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of HARDING RM 1 — NGS JC0164 — Saint Clair County, US?

The position of HARDING RM 1 — NGS JC0164 — Saint Clair County, US in WGS84 is 38.622731°, -90.075267° (decimal), or 38° 37′ 21.83″ N, 90° 4′ 30.96″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 15N (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.