N 666 — NGS AW0821 — Harris County, US

USNGStrigunknown#2175
Latitude
29.917778°
Longitude
-95.220833°
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that form the foundation of the United States' geodetic infrastructure. Located in Harris County, Texas, at coordinates 29.91778° N, 95.22083° W, this trig point serves as a horizontal reference station for surveying and mapping activities across the region. Triangulation stations of this type were established to provide accurate positional control for subsequent surveys, engineering projects, and cartographic work. The point's elevation has not been recorded in available documentation. Verification and documentation of such benchmarks remain valuable for surveying professionals conducting boundary surveys, construction projects, and spatial analysis in southeast Texas. These stations contribute to the maintenance and validation of the National Spatial Reference System.

Verify this point

Sign in to submit a verification from the field.

Verification history (0)

No verifications yet. Be the first to check this point!
🛰️ Satellite view
ESRI World Imagery · zoom 16 (~1 m/px)
Open in Google Earth →
Satellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, USSatellite imagery of N 666 — NGS AW0821 — Harris County, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

N 666 — NGS AW0821 — 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 #2175 on SurveyingPedia. Its coordinates in WGS84 are 29.917778°, -95.220833°, corresponding to 29° 55′ 4.00″ N, 95° 13′ 15.00″ 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 N 666 — NGS AW0821 — 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)29.917778, -95.220833
WGS84 (DMS)29° 55′ 4.00″ N, 95° 13′ 15.00″ W
UTM zone (approx.)Zone 15N (approx.)
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
P 666 — NGS AW3406 — Harris County, US
1.2 km away · US
US NGS · triangulation station
R 1510 — NGS AW5643 — Harris County, US
1.3 km away · US
US NGS · triangulation station
N 25 — NGS AW0818 — Harris County, US
1.8 km away · US
US NGS · triangulation station
N 667 RESET — NGS AW3426 — Harris County, US
2.0 km away · US
US NGS · triangulation station
P 667 RESET — NGS AW3428 — Harris County, US
2.1 km away · US
US NGS · triangulation station
V 1249 — NGS AW0819 — Harris County, US
2.1 km away · US

Frequently asked questions

What is N 666 — NGS AW0821 — Harris County, US?

N 666 — NGS AW0821 — Harris County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2175. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of N 666 — NGS AW0821 — Harris County, US?

The position of N 666 — NGS AW0821 — Harris County, US in WGS84 is 29.917778°, -95.220833° (decimal), or 29° 55′ 4.00″ N, 95° 13′ 15.00″ 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.