HLM 33 — NGS RD3060 — Portland, US

USNGStrigunknown#5729
Latitude
45.536901°
Longitude
-122.684875°
Ortho h
11.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the fundamental geodetic control points for the United States. Located near Portland, Oregon, at coordinates 45.53690° north latitude and 122.68487° west longitude, this trig point serves as a reference for horizontal control in the region. Triangulation stations like this one historically provided accurate horizontal positioning data for mapping, surveying, and engineering projects across the nation. The NGS network remains essential infrastructure for establishing survey baselines and verifying local survey work. Modern surveyors and geodesists benefit from the continued documentation and verification of such stations, as they anchor contemporary satellite-based positioning systems and provide valuable redundancy in surveying networks. Confirming the physical existence and condition of these marks ensures their continued utility for professional surveying operations in the Portland metropolitan area.

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HLM 33 — NGS RD3060 — Portland, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #5729 on SurveyingPedia and sits at an approximate elevation of 11.0 metres. Its coordinates in WGS84 are 45.536901°, -122.684875°, corresponding to 45° 32′ 12.84″ N, 122° 41′ 5.55″ 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 HLM 33 — NGS RD3060 — Portland, 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)45.536901, -122.684875
WGS84 (DMS)45° 32′ 12.84″ N, 122° 41′ 5.55″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation11.00 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
J 104 — NGS RD0479 — Portland, US
0.1 km away · US
US NGS · triangulation station
53 — NGS RD0478 — Portland, US
0.2 km away · US
US NGS · triangulation station
HLM 32 — NGS RD3179 — Portland, US
0.4 km away · US
US NGS · triangulation station
STAR — NGS RD3186 — Portland, US
0.4 km away · US
US NGS · triangulation station
PORTLAND QUAKER CAL ES LINE TK — NGS RD2980
0.4 km away · US
US NGS · triangulation station
PORTLAND CROWN MILLS BLACK TK — NGS RD3144
0.5 km away · US

Frequently asked questions

What is HLM 33 — NGS RD3060 — Portland, US?

HLM 33 — NGS RD3060 — Portland, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #5729 and sits at an elevation of 11.0 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of HLM 33 — NGS RD3060 — Portland, US?

The position of HLM 33 — NGS RD3060 — Portland, US in WGS84 is 45.536901°, -122.684875° (decimal), or 45° 32′ 12.84″ N, 122° 41′ 5.55″ 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.