ASHWAY — NGS SY3483 — Snohomish County, US

USNGStrigunknown#214192
Latitude
47.865391°
Longitude
-122.247595°
Ortho h
173.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental horizontal control framework for the United States. Located in Snohomish County, Washington at 47.86539°N, 122.24759°W, this trig point serves as a precise survey reference monument for mapping, engineering projects, and coordinate verification across the region. Triangulation stations like this were historically established through systematic measurement of sight lines between elevated points, creating a web of accurately positioned control stations. Modern surveyors and geospatial professionals use these monuments to initialize local surveys, validate GPS data, and maintain positional consistency for infrastructure development. Documentation and periodic verification of such benchmarks remain valuable to the surveying community. These points provide independent checkpoints for quality assurance and serve as anchors for regional coordinate systems. Preservation and accurate location records ensure their continued utility for professional surveyors and mapping agencies.

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ASHWAY — NGS SY3483 — Snohomish County, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #214192 on SurveyingPedia and sits at an approximate elevation of 173.0 metres. Its coordinates in WGS84 are 47.865391°, -122.247595°, corresponding to 47° 51′ 55.41″ N, 122° 14′ 51.34″ 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 ASHWAY — NGS SY3483 — Snohomish 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)47.865391, -122.247595
WGS84 (DMS)47° 51′ 55.41″ N, 122° 14′ 51.34″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation173.00 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
Z 296 — NGS SY0062 — Snohomish County, US
2.1 km away · US
US NGS · triangulation station
X 406 RESET — NGS SY0045 — Snohomish County, US
2.2 km away · US
US NGS · triangulation station
Y 406 — NGS SY0070 — Snohomish County, US
2.5 km away · US
US NGS · triangulation station
103 D — NGS SY0071 — Snohomish County, US
2.7 km away · US
US NGS · triangulation station
103 D RESET — NGS SY0072 — Snohomish County, US
2.7 km away · US
US NGS · triangulation station
13 A 20 — NGS SY0073 — Snohomish County, US
2.7 km away · US

Frequently asked questions

What is ASHWAY — NGS SY3483 — Snohomish County, US?

ASHWAY — NGS SY3483 — Snohomish County, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #214192 and sits at an elevation of 173.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of ASHWAY — NGS SY3483 — Snohomish County, US?

The position of ASHWAY — NGS SY3483 — Snohomish County, US in WGS84 is 47.865391°, -122.247595° (decimal), or 47° 51′ 55.41″ N, 122° 14′ 51.34″ 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.