PORTLAND CROWN MILLS BLACK TK — NGS RD3144

USNGStrigunknown#5737
Latitude
45.533791°
Longitude
-122.680909°
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's control network, which establishes the foundational reference framework for surveying and mapping activities across the United States. Located near Portland, Oregon, at coordinates 45.53379° N, 122.68091° W, this trig point serves as a horizontal control monument for precise positioning work. Trigonometric stations of this classification are typically established at elevated or strategically visible locations to facilitate sightline measurements between multiple control points. Such monuments are essential components of the nation's geodetic infrastructure, supporting civil engineering, infrastructure development, and land surveying operations. Verification and documentation of these reference points remains critical for maintaining the integrity of positional data. Surveying professionals rely on accurate benchmark records to ensure consistency in projects ranging from property boundary establishment to large-scale mapping initiatives.

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PORTLAND CROWN MILLS BLACK TK — NGS RD3144 is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #5737 on SurveyingPedia. Its coordinates in WGS84 are 45.533791°, -122.680909°, corresponding to 45° 32′ 1.65″ N, 122° 40′ 51.27″ 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 PORTLAND CROWN MILLS BLACK TK — NGS RD3144 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)45.533791, -122.680909
WGS84 (DMS)45° 32′ 1.65″ N, 122° 40′ 51.27″ W
UTM zone (approx.)Zone 10N (approx.)
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
HLM 30A — NGS RD3195 — Portland, US
0.3 km away · US
US NGS · triangulation station
53 — NGS RD0478 — Portland, US
0.4 km away · US
US NGS · triangulation station
HLM 33 — NGS RD3060 — Portland, US
0.5 km away · US
US NGS · triangulation station
STAR — NGS RD3186 — Portland, US
0.5 km away · US
US NGS · triangulation station
PORTLAND CROWN MILLS BLUE TK — NGS RD3217
0.5 km away · US
US NGS · triangulation station
HLM 32 — NGS RD3179 — Portland, US
0.5 km away · US

Frequently asked questions

What is PORTLAND CROWN MILLS BLACK TK — NGS RD3144?

PORTLAND CROWN MILLS BLACK TK — NGS RD3144 is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #5737. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of PORTLAND CROWN MILLS BLACK TK — NGS RD3144?

The position of PORTLAND CROWN MILLS BLACK TK — NGS RD3144 in WGS84 is 45.533791°, -122.680909° (decimal), or 45° 32′ 1.65″ N, 122° 40′ 51.27″ 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.