SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — Contra Costa County, US

USNGStrigunknown#2488
Latitude
37.863893°
Longitude
-122.219045°
Ellipsoidal h
407.93 m
Verifications
0
Last checked
Never
This trigonometric 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 Contra Costa County, California, at coordinates 37.86389° N, 122.21905° W with an ellipsoidal elevation of 407.9 meters, this trig point serves as a reference marker for surveying and mapping activities throughout the region. Trig stations of this type provide horizontal and vertical control necessary for conducting accurate surveys, establishing property boundaries, and supporting infrastructure projects. As part of the NGS network, this point contributes to the maintenance and validation of the national spatial reference system. Verification and documentation of such benchmarks remain essential for surveyors and geodetic professionals who depend on reliable control data for precise positioning work in northern California.

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SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — 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 #2488 on SurveyingPedia and sits at an approximate elevation of 407.9 metres. Its coordinates in WGS84 are 37.863893°, -122.219045°, corresponding to 37° 51′ 50.01″ N, 122° 13′ 8.56″ 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 SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — 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)37.863893, -122.219045
WGS84 (DMS)37° 51′ 50.01″ N, 122° 13′ 8.56″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation407.93 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
O — NGS HT0062 — Contra Costa County, US
0.5 km away · US
US NGS · triangulation station
V 177 — NGS HT0061 — Contra Costa County, US
0.5 km away · US
US NGS · triangulation station
8 — NGS HT0060 — Oakland, US
0.7 km away · US
US NGS · triangulation station
CLAREMONT — NGS HT2477 — Oakland, US
0.9 km away · US
US NGS · triangulation station
886.90 — NGS HT0058 — Oakland, US
0.9 km away · US
US NGS · triangulation station
14 — NGS HT0059 — Oakland, US
0.9 km away · US

Frequently asked questions

What is SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — Contra Costa County, US?

SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — Contra Costa County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2488 and sits at an elevation of 407.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — Contra Costa County, US?

The position of SIBLEYVOLCCN2005 CORS ARP — NGS DH3879 — Contra Costa County, US in WGS84 is 37.863893°, -122.219045° (decimal), or 37° 51′ 50.01″ N, 122° 13′ 8.56″ 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.