SAND POINT CBL 1058 — NGS AI4240 — Seattle, US

USNGStrigunknown#214495
Latitude
47.683260°
Longitude
-122.254619°
Ellipsoidal h
-10.74 m
Ortho h
13.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental control framework for surveying and mapping throughout the United States. Trig stations of this class serve as reference points for horizontal positioning and are typically monumented for long-term stability and recovery. Located in the Seattle, Washington vicinity at latitude 47.68326° and longitude -122.25462°, this point sits at an ellipsoidal elevation of -10.7 meters, placing it in a low-lying coastal area. Such points are essential to regional surveying operations, supporting cadastral surveys, engineering projects, and geographic information systems. The ongoing documentation and verification of triangulation stations maintains the integrity of the national geodetic datum. Surveyors and engineers rely on these established points as reference standards, making their accurate recovery and confirmation critical for professional practice across all sectors dependent on precise spatial positioning.

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SAND POINT CBL 1058 — NGS AI4240 — Seattle, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #214495 on SurveyingPedia and sits at an approximate elevation of 13.0 metres. Its coordinates in WGS84 are 47.683260°, -122.254619°, corresponding to 47° 40′ 59.74″ N, 122° 15′ 16.63″ 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 SAND POINT CBL 1058 — NGS AI4240 — Seattle, 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)47.683260, -122.254619
WGS84 (DMS)47° 40′ 59.74″ N, 122° 15′ 16.63″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation13.00 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
MAGGIE — NGS AI3611 — Seattle, US
0.2 km away · US
US NGS · triangulation station
WASC NO 4 — NGS AI3660 — Seattle, US
0.3 km away · US
US NGS · triangulation station
SOUND — NGS AI3614 — Seattle, US
0.3 km away · US
US NGS · triangulation station
MON 53 — NGS SY0409 — Seattle, US
0.3 km away · US
US NGS · triangulation station
WASC NO 3 — NGS AI3659 — Seattle, US
0.3 km away · US
US NGS · triangulation station
MAGNUSON ECC — NGS AI3604 — Seattle, US
0.3 km away · US

Frequently asked questions

What is SAND POINT CBL 1058 — NGS AI4240 — Seattle, US?

SAND POINT CBL 1058 — NGS AI4240 — Seattle, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214495 and sits at an elevation of 13.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of SAND POINT CBL 1058 — NGS AI4240 — Seattle, US?

The position of SAND POINT CBL 1058 — NGS AI4240 — Seattle, US in WGS84 is 47.683260°, -122.254619° (decimal), or 47° 40′ 59.74″ N, 122° 15′ 16.63″ 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.