N 21 — NGS AW0814 — Harris County, US

USNGStrigunknown#2664
Latitude
29.939249°
Longitude
-95.268787°
Ellipsoidal h
-7.44 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's horizontal control network, which establishes the fundamental geodetic framework for surveying and mapping across the United States. Located in Harris County, Texas, this point serves as a reference for positional control in regional survey work. The coordinates 29.93925°, -95.26879° and ellipsoidal elevation of -7.4 meters define its precise location within the national coordinate system. Trig stations of this classification typically function as monumented reference points for establishing accurate survey networks, facilitating property boundary determination, infrastructure development, and cartographic projects. Verification and documentation of such benchmarks remain essential for maintaining the integrity of the geodetic infrastructure, ensuring consistency across multiple surveys and projects, and supporting critical applications in engineering, land administration, and spatial data development throughout the region.

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N 21 — NGS AW0814 — Harris County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2664 on SurveyingPedia and sits at an approximate elevation of -7.4 metres. Its coordinates in WGS84 are 29.939249°, -95.268787°, corresponding to 29° 56′ 21.30″ N, 95° 16′ 7.63″ 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 N 21 — NGS AW0814 — Harris 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)29.939249, -95.268787
WGS84 (DMS)29° 56′ 21.30″ N, 95° 16′ 7.63″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation-7.44 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
K 667 RESET 1958 — NGS AW0857 — Houston, US
0.8 km away · US
US NGS · triangulation station
Y 1510 — NGS AW5640 — Harris County, US
1.0 km away · US
US NGS · triangulation station
GINTHER — NGS AW6635 — Harris County, US
1.1 km away · US
US NGS · triangulation station
W 1510 — NGS AW5636 — Houston, US
1.2 km away · US
US NGS · triangulation station
F 667 — NGS AW0856 — Houston, US
1.2 km away · US
US NGS · triangulation station
U 1510 — NGS AW5637 — Houston, US
1.4 km away · US

Frequently asked questions

What is N 21 — NGS AW0814 — Harris County, US?

N 21 — NGS AW0814 — Harris County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2664 and sits at an elevation of -7.4 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of N 21 — NGS AW0814 — Harris County, US?

The position of N 21 — NGS AW0814 — Harris County, US in WGS84 is 29.939249°, -95.268787° (decimal), or 29° 56′ 21.30″ N, 95° 16′ 7.63″ 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.