HLM 35 — NGS RD2994 — Portland, US

USNGStrigunknown#5778
Latitude
45.550030°
Longitude
-122.693827°
Ortho h
9.60 m
Verifications
0
Last checked
Never
This trigonometric station is part of the National Geodetic Survey's network, which establishes the foundational horizontal and vertical control for surveying and mapping throughout the United States. Trig stations serve as precisely positioned reference points used to support geodetic measurements, land surveys, and spatial data collection across regions. Located near Portland, Oregon at coordinates 45.55003° N, 122.69383° W, this benchmark contributes to the geometric framework essential for civil engineering, infrastructure development, and geographic information systems. The station's documented position enables surveyors and geospatial professionals to reference their local measurements against the national geodetic datum. Verification and maintenance of such control points remain important for ensuring the accuracy and consistency of surveying work. Professional surveyors rely on these established benchmarks when conducting boundary surveys, construction staking, and other precision positioning tasks requiring traceable accuracy standards.

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HLM 35 — NGS RD2994 — Portland, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #5778 on SurveyingPedia and sits at an approximate elevation of 9.6 metres. Its coordinates in WGS84 are 45.550030°, -122.693827°, corresponding to 45° 33′ 0.11″ N, 122° 41′ 37.78″ 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 35 — NGS RD2994 — 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)45.550030, -122.693827
WGS84 (DMS)45° 33′ 0.11″ N, 122° 41′ 37.78″ W
UTM zone (approx.)Zone 10N (approx.)
Elevation9.60 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
47 — NGS RD3273 — Portland, US
0.3 km away · US
US NGS · triangulation station
GRAVEL BLUFF — NGS RD2986 — Portland, US
0.4 km away · US
US NGS · triangulation station
UP — NGS RD2971 — Portland, US
0.5 km away · US
US NGS · triangulation station
RAILROAD SWITCH LIGHT — NGS RD2967 — Portland, US
0.5 km away · US
US NGS · triangulation station
ORE — NGS RD3013 — Portland, US
0.5 km away · US
US NGS · triangulation station
PORTLAND WISCO WATER TANK — NGS RD3297
0.5 km away · US

Frequently asked questions

What is HLM 35 — NGS RD2994 — Portland, US?

HLM 35 — NGS RD2994 — Portland, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #5778 and sits at an elevation of 9.6 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of HLM 35 — NGS RD2994 — Portland, US?

The position of HLM 35 — NGS RD2994 — Portland, US in WGS84 is 45.550030°, -122.693827° (decimal), or 45° 33′ 0.11″ N, 122° 41′ 37.78″ 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.