B 323 — NGS JC1183 — St. Louis, US

USNGStrigunknown#7264
Latitude
38.751111°
Longitude
-90.191667°
Ortho h
132.96 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which serves as the foundation for the National Spatial Reference System in the United States. Trig stations like this one were established to support large-scale surveying and mapping operations through triangulation methods, providing precise horizontal control for regional surveys and engineering projects. Located in the St. Louis, Missouri area, this benchmark contributes to the geodetic framework covering the central United States. The coordinates 38.75111°, -90.19167° establish its reference position within the national system. As with other control points in this network, verification and documentation of this station's status remains valuable for surveyors, engineers, and GIS professionals who depend on accurate positional references for contemporary work. Regular confirmation of benchmark preservation helps maintain the integrity of the surveying infrastructure and supports the continued utility of historical geodetic measurements.

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B 323 — NGS JC1183 — St. Louis, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #7264 on SurveyingPedia and sits at an approximate elevation of 133.0 metres. Its coordinates in WGS84 are 38.751111°, -90.191667°, corresponding to 38° 45′ 4.00″ N, 90° 11′ 30.00″ 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 323 — NGS JC1183 — St. Louis, 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)38.751111, -90.191667
WGS84 (DMS)38° 45′ 4.00″ N, 90° 11′ 30.00″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation132.96 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
CSL 23 — NGS AA8583 — St. Louis, US
0.1 km away · US
US NGS · triangulation station
C 323 — NGS JC1182 — St. Louis, US
1.5 km away · US
US NGS · triangulation station
A 323 — NGS JC1184 — St. Louis, US
1.6 km away · US
US NGS · triangulation station
CSL 24A — NGS AA8585 — St. Louis, US
2.1 km away · US
US NGS · triangulation station
S 283 — NGS JC1185 — Madison, US
2.4 km away · US
US NGS · triangulation station
CSL 24 — NGS AA8584 — St. Louis, US
2.5 km away · US

Frequently asked questions

What is B 323 — NGS JC1183 — St. Louis, US?

B 323 — NGS JC1183 — St. Louis, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #7264 and sits at an elevation of 133.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of B 323 — NGS JC1183 — St. Louis, US?

The position of B 323 — NGS JC1183 — St. Louis, US in WGS84 is 38.751111°, -90.191667° (decimal), or 38° 45′ 4.00″ N, 90° 11′ 30.00″ 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.