ROUND ROCK — NGS AG9969

USNGStrigunknown#3596
Latitude
30.488678°
Longitude
-97.674926°
Ortho h
280.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental horizontal control framework for the United States. Located near Round Rock, Texas, at coordinates 30.48868°N, 97.67493°W, this trig point serves as a reference for surveyors and engineers conducting cadastral, engineering, and mapping projects throughout the region. Triangulation stations of this type were historically established to create precise positional control across the country. Modern surveyors rely on such benchmarks to validate and calibrate their own measurements, ensuring consistency and accuracy in boundary determinations, construction staking, and geographic information systems development. Verification and documentation of these control points remain valuable for the surveying profession. Even as GPS and other technologies have evolved, recovering and confirming the positions of established geodetic marks provides essential validation data and maintains continuity with historical survey work.

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ROUND ROCK — NGS AG9969 is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #3596 on SurveyingPedia and sits at an approximate elevation of 280.0 metres. Its coordinates in WGS84 are 30.488678°, -97.674926°, corresponding to 30° 29′ 19.24″ N, 97° 40′ 29.74″ 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 ROUND ROCK — NGS AG9969 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)30.488678, -97.674926
WGS84 (DMS)30° 29′ 19.24″ N, 97° 40′ 29.74″ W
UTM zone (approx.)Zone 14N (approx.)
Elevation280.00 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
ET ROUND — NGS AH5790 — Round Rock, US
0.1 km away · US
US NGS · triangulation station
V 1304 — NGS BM0804 — Round Rock, US
0.4 km away · US
US NGS · triangulation station
C 1034 — NGS BM0633 — Round Rock, US
1.4 km away · US
US NGS · triangulation station
X 1304 — NGS BM0806 — Travis County, US
2.2 km away · US
US NGS · triangulation station
B 1034 — NGS BM0632 — Round Rock, US
2.4 km away · US
US NGS · triangulation station
TP CENTER — NGS AG9974 — Williamson County, US
3.1 km away · US

Frequently asked questions

What is ROUND ROCK — NGS AG9969?

ROUND ROCK — NGS AG9969 is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #3596 and sits at an elevation of 280.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of ROUND ROCK — NGS AG9969?

The position of ROUND ROCK — NGS AG9969 in WGS84 is 30.488678°, -97.674926° (decimal), or 30° 29′ 19.24″ N, 97° 40′ 29.74″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 14N (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.