CSL 16 — NGS AA8576 — St. Louis, US

USNGStrigunknown#7059
Latitude
38.655413°
Longitude
-90.237614°
Ellipsoidal h
122.61 m
Ortho h
153.80 m
Verifications
0
Last checked
Never
This triangulation station represents a component of the NGS network, which establishes the foundational geodetic control for surveying and mapping throughout the United States. Located near St. Louis, Missouri, at coordinates 38.65541°N, 90.23761°W with an ellipsoidal elevation of 122.6 meters, this trig point serves as a precisely positioned reference for regional survey work. Triangulation stations of this type provide monumented horizontal control points essential for cadastral surveys, engineering projects, and geographic data collection. The NGS maintains and documents such benchmarks to ensure consistency and accuracy across surveying activities. Verification and proper documentation of reference points like this support the integrity of the national spatial reference system and enable surveyors to establish local coordinate frameworks with traceable accuracy. Regular inspection and maintenance of these monuments helps preserve their utility for future surveying endeavors.

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CSL 16 — NGS AA8576 — 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 #7059 on SurveyingPedia and sits at an approximate elevation of 153.8 metres. Its coordinates in WGS84 are 38.655413°, -90.237614°, corresponding to 38° 39′ 19.49″ N, 90° 14′ 15.41″ 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 16 — NGS AA8576 — 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)38.655413, -90.237614
WGS84 (DMS)38° 39′ 19.49″ N, 90° 14′ 15.41″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation153.80 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
ST LOUIS CONTL LIFE INS BCN — NGS JC1597 — St. Louis, US
1.9 km away · US
US NGS · triangulation station
CSL 18 — NGS AA8578 — St. Louis, US
2.6 km away · US
US NGS · triangulation station
F 311 — NGS JC0201 — St. Louis, US
2.9 km away · US
US NGS · triangulation station
ST LOUIS STANDPIPE — NGS JC1594 — St. Louis, US
3.0 km away · US
US NGS · triangulation station
CSL 14 — NGS AA8574 — St. Louis, US
3.1 km away · US
US NGS · triangulation station
R 205 — NGS JC0202 — St. Louis, US
3.2 km away · US

Frequently asked questions

What is CSL 16 — NGS AA8576 — St. Louis, US?

CSL 16 — NGS AA8576 — St. Louis, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #7059 and sits at an elevation of 153.8 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of CSL 16 — NGS AA8576 — St. Louis, US?

The position of CSL 16 — NGS AA8576 — St. Louis, US in WGS84 is 38.655413°, -90.237614° (decimal), or 38° 39′ 19.49″ N, 90° 14′ 15.41″ 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.