KIRKER — NGS HS5123 — Contra Costa County, US

USNGStrigunknown#2239
Latitude
37.974197°
Longitude
-121.930225°
Ellipsoidal h
360.45 m
Ortho h
391.90 m
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 Contra Costa County, California, at coordinates 37.97420° north latitude and 121.93022° west longitude, this trig point serves as a fundamental reference for surveying, mapping, and engineering projects throughout the region. With an ellipsoidal elevation of 360.5 meters, the benchmark provides vertical and horizontal control data essential for accurate spatial positioning. Triangulation stations of this type historically enabled surveyors to extend precise coordinate networks across large areas through intervisible point measurements. Modern verification and documentation of such control points remain valuable for validating contemporary GPS observations, maintaining survey integrity, and supporting infrastructure development. This point contributes to the ongoing accuracy and reliability of geodetic reference systems serving California's surveying community.

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 KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, USSatellite imagery of KIRKER — NGS HS5123 — Contra Costa County, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

KIRKER — NGS HS5123 — 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 #2239 on SurveyingPedia and sits at an approximate elevation of 391.9 metres. Its coordinates in WGS84 are 37.974197°, -121.930225°, corresponding to 37° 58′ 27.11″ N, 121° 55′ 48.81″ 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 KIRKER — NGS HS5123 — 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)37.974197, -121.930225
WGS84 (DMS)37° 58′ 27.11″ N, 121° 55′ 48.81″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation391.90 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
GPS CONTROL PT 29 — NGS DE8493 — Contra Costa County, US
3.0 km away · US
US NGS · triangulation station
C 178 — NGS HS5125 — Concord, US
3.1 km away · US
US NGS · triangulation station
CLAY — NGS HS3573 — Clayton, US
3.4 km away · US
US NGS · triangulation station
J 1197 — NGS HS3574 — Clayton, US
3.4 km away · US
US NGS · triangulation station
F 377 — NGS HS3709 — Clayton, US
3.4 km away · US
US NGS · triangulation station
F 563 — NGS HS3710 — Contra Costa County, US
3.5 km away · US

Frequently asked questions

What is KIRKER — NGS HS5123 — Contra Costa County, US?

KIRKER — NGS HS5123 — Contra Costa County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #2239 and sits at an elevation of 391.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of KIRKER — NGS HS5123 — Contra Costa County, US?

The position of KIRKER — NGS HS5123 — Contra Costa County, US in WGS84 is 37.974197°, -121.930225° (decimal), or 37° 58′ 27.11″ N, 121° 55′ 48.81″ 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.