V 571 — NGS HT0174 — Contra Costa County, US

USNGStrigunknown#2519
Latitude
37.839722°
Longitude
-122.182778°
Ortho h
238.60 m
Verifications
0
Last checked
Never
This triangulation station represents part of the NGS network that establishes the geometric foundation for surveying and mapping across the United States. Located in Contra Costa County, California, at coordinates 37.83972° N, 122.18278° W, this trig point serves as a control reference for local surveying operations and geodetic measurements. As a triangulation station, it historically functioned within a network of intervisible points used to establish horizontal position control across regions. Such monuments provide essential reference positions for cadastral surveys, engineering projects, and cartographic work. The documented coordinate data enables surveyors and mapping professionals to tie their work to the national geodetic datum. Verification and maintenance of benchmark locations like this point remain important for ensuring the integrity of positional reference systems and supporting precise surveying practice throughout the region.

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V 571 — NGS HT0174 — Contra Costa County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #2519 on SurveyingPedia and sits at an approximate elevation of 238.6 metres. Its coordinates in WGS84 are 37.839722°, -122.182778°, corresponding to 37° 50′ 23.00″ N, 122° 10′ 58.00″ 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 V 571 — NGS HT0174 — Contra Costa 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)37.839722, -122.182778
WGS84 (DMS)37° 50′ 23.00″ N, 122° 10′ 58.00″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation238.60 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
W 571 — NGS HT0175 — Oakland, US
1.1 km away · US
US NGS · triangulation station
U 571 — NGS HT0173 — Contra Costa County, US
1.3 km away · US
US NGS · triangulation station
ROUND TOP — NGS HT2546 — Contra Costa County, US
1.5 km away · US
US NGS · triangulation station
10 — NGS HT0172 — Contra Costa County, US
1.8 km away · US
US NGS · triangulation station
COLTON — NGS HT2491 — Oakland, US
2.1 km away · US
US NGS · triangulation station
REDWOOD — NGS HT2518 — Contra Costa County, US
2.5 km away · US

Frequently asked questions

What is V 571 — NGS HT0174 — Contra Costa County, US?

V 571 — NGS HT0174 — Contra Costa County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2519 and sits at an elevation of 238.6 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of V 571 — NGS HT0174 — Contra Costa County, US?

The position of V 571 — NGS HT0174 — Contra Costa County, US in WGS84 is 37.839722°, -122.182778° (decimal), or 37° 50′ 23.00″ N, 122° 10′ 58.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 10N (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.