B 285 — NGS JC1134 — Saint Clair County, US

USNGStrigunknown#7176
Latitude
38.560000°
Longitude
-90.219167°
Ortho h
130.98 m
Verifications
0
Last checked
Never
This triangulation station represents part of the National Geodetic Survey's foundational control network, which establishes precise horizontal positioning across the United States. Trig points serve as primary vertices for geodetic surveys, enabling accurate mapping and surveying operations through triangulation methods. Located in Saint Clair County, Illinois at coordinates 38.56000°N, 90.21917°W, this benchmark contributes to regional control density in southwestern Illinois. As a component of the NGS network, this point maintains its value for surveying professionals requiring established reference coordinates for boundary surveys, engineering projects, and geographic information systems. Verification and documentation of such control points ensure the integrity of the geodetic framework. Surveyors undertaking work in this area may reference this station for establishing local control networks and validating modern positioning measurements against established datums.

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B 285 — NGS JC1134 — 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 #7176 on SurveyingPedia and sits at an approximate elevation of 131.0 metres. Its coordinates in WGS84 are 38.560000°, -90.219167°, corresponding to 38° 33′ 36.00″ N, 90° 13′ 9.00″ 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 B 285 — NGS JC1134 — 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)38.560000, -90.219167
WGS84 (DMS)38° 33′ 36.00″ N, 90° 13′ 9.00″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation130.98 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
A 285 — NGS JC1135 — Cahokia, US
1.1 km away · US
US NGS · triangulation station
Q 284 — NGS JC1146 — Cahokia, US
1.3 km away · US
US NGS · triangulation station
C 285 — NGS JC1133 — Saint Clair County, US
1.5 km away · US
US NGS · triangulation station
R 284 — NGS JC1145 — Cahokia, US
1.7 km away · US
US NGS · triangulation station
CSL 05 — NGS AA8565 — St. Louis, US
2.2 km away · US
US NGS · triangulation station
U 58 — NGS JC0111 — St. Louis, US
2.3 km away · US

Frequently asked questions

What is B 285 — NGS JC1134 — Saint Clair County, US?

B 285 — NGS JC1134 — Saint Clair County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #7176 and sits at an elevation of 131.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of B 285 — NGS JC1134 — Saint Clair County, US?

The position of B 285 — NGS JC1134 — Saint Clair County, US in WGS84 is 38.560000°, -90.219167° (decimal), or 38° 33′ 36.00″ N, 90° 13′ 9.00″ 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.