GP 31527 4 — NGS SY5582 — Mill Creek, US

USNGStrigunknown#214320
Latitude
47.838926°
Longitude
-122.215266°
Ellipsoidal h
60.55 m
Ortho h
83.90 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which establishes the primary geodetic framework for the United States. Located near Mill Creek, Washington, at coordinates 47.83893° N, 122.21527° W, this trig point serves as a control station for horizontal and vertical positioning activities in the Pacific Northwest region. Trigonometric stations like this one provide essential reference marks for surveying, mapping, and engineering projects requiring accurate spatial data. The documented ellipsoidal elevation of 60.5 meters contributes to the nation's vertical control infrastructure. Verification and maintenance of such control points remain critical for preserving geodetic accuracy over time. Surveyors and engineers rely on the stability and precise documentation of these monuments to ensure the integrity of local and regional surveying networks. Regular inspection and re-observation of benchmark stations help maintain the reliability of positional data for infrastructure development and land management activities.

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Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

GP 31527 4 — NGS SY5582 — Mill Creek, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #214320 on SurveyingPedia and sits at an approximate elevation of 83.9 metres. Its coordinates in WGS84 are 47.838926°, -122.215266°, corresponding to 47° 50′ 20.13″ N, 122° 12′ 54.96″ 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 GP 31527 4 — NGS SY5582 — Mill Creek, 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)47.838926, -122.215266
WGS84 (DMS)47° 50′ 20.13″ N, 122° 12′ 54.96″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation83.90 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
GP 31527 4 AZ MK — NGS SY5583 — Mill Creek, US
0.9 km away · US
US NGS · triangulation station
M 297 — NGS SY0105 — Snohomish County, US
2.4 km away · US
US NGS · triangulation station
SEATTLE CITY LT BOTHELL SUB TK — NGS SY3481 — Snohomish County, US
3.2 km away · US
US NGS · triangulation station
L 297 — NGS SY0104 — Snohomish County, US
3.3 km away · US
US NGS · triangulation station
N 297 — NGS SY0106 — Bothell, US
3.4 km away · US
US NGS · triangulation station
S 297 — NGS SY0111 — Snohomish County, US
3.4 km away · US

Frequently asked questions

What is GP 31527 4 — NGS SY5582 — Mill Creek, US?

GP 31527 4 — NGS SY5582 — Mill Creek, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214320 and sits at an elevation of 83.9 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GP 31527 4 — NGS SY5582 — Mill Creek, US?

The position of GP 31527 4 — NGS SY5582 — Mill Creek, US in WGS84 is 47.838926°, -122.215266° (decimal), or 47° 50′ 20.13″ N, 122° 12′ 54.96″ 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.