CSL 19 — NGS AA8579 — St. Louis, US

USNGStrigunknown#7057
Latitude
38.722607°
Longitude
-90.239962°
Ellipsoidal h
111.31 m
Ortho h
142.60 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying, mapping, and engineering projects across the United States. Located near St. Louis, Missouri, this trig point serves as a precision reference for horizontal and vertical control in the region. The station's documented ellipsoidal elevation of 111.3 meters provides essential vertical datum information for local surveying operations. Triangulation stations of this classification historically supported observations and measurements that tie together broader geodetic networks. Current verification and maintenance of such benchmarks remain important for quality assurance in surveying work, particularly when establishing local control networks or validating modern positioning methods. Professionals conducting surveys in this area may reference this point to ensure consistency and accuracy in their measurements.

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CSL 19 — NGS AA8579 — 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 #7057 on SurveyingPedia and sits at an approximate elevation of 142.6 metres. Its coordinates in WGS84 are 38.722607°, -90.239962°, corresponding to 38° 43′ 21.38″ N, 90° 14′ 23.86″ 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 CSL 19 — NGS AA8579 — 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)38.722607, -90.239962
WGS84 (DMS)38° 43′ 21.38″ N, 90° 14′ 23.86″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation142.60 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
E 323 — NGS JC1181 — St. Louis, US
1.8 km away · US
US NGS · triangulation station
F 323 — NGS JC1179 — St. Louis, US
2.1 km away · US
US NGS · triangulation station
D 323 — NGS JC1180 — St. Louis, US
2.2 km away · US
US NGS · triangulation station
CSL 21 — NGS AA8581 — St. Louis, US
2.6 km away · US
US NGS · triangulation station
CSL 22 — NGS AA8582 — St. Louis, US
2.8 km away · US
US NGS · triangulation station
G 323 — NGS JC1178 — St. Louis, US
3.2 km away · US

Frequently asked questions

What is CSL 19 — NGS AA8579 — St. Louis, US?

CSL 19 — NGS AA8579 — St. Louis, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #7057 and sits at an elevation of 142.6 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of CSL 19 — NGS AA8579 — St. Louis, US?

The position of CSL 19 — NGS AA8579 — St. Louis, US in WGS84 is 38.722607°, -90.239962° (decimal), or 38° 43′ 21.38″ N, 90° 14′ 23.86″ 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.