MARKED TREE 1 — NGS RD2884 — Portland, US

USNGStrigunknown#5152
Latitude
45.601106°
Longitude
-122.624137°
Verifications
0
Last checked
Never
This triangulation (trig) station is part of the National Geodetic Survey's network, which establishes the primary control framework for surveying and mapping throughout the United States. Located near Portland, Oregon at coordinates 45.60111° N, 122.62414° W, this point serves as a horizontal control reference for professional surveyors and mapping projects in the region. Triangulation stations of this type were historically established to provide accurate positional data across large areas. Such points remain valuable for verifying survey networks, conducting high-precision geodetic work, and ensuring consistency in local and regional coordinate systems. Verification and documentation of existing benchmarks and trig stations support the maintenance of the nation's geodetic infrastructure. Surveyors, engineers, and GIS professionals rely on these reference points for accurate coordinate determination. Confirming the continued existence and accessibility of such monuments assists in preserving the geometric foundation of surveying practice.

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MARKED TREE 1 — NGS RD2884 — Portland, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #5152 on SurveyingPedia. Its coordinates in WGS84 are 45.601106°, -122.624137°, corresponding to 45° 36′ 3.98″ N, 122° 37′ 26.89″ 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 MARKED TREE 1 — NGS RD2884 — 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)45.601106, -122.624137
WGS84 (DMS)45° 36′ 3.98″ N, 122° 37′ 26.89″ 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
RAMP — NGS RD2930 — Portland, US
0.4 km away · US
US NGS · triangulation station
PDXA BASE ARP — NGS DR5459 — Portland, US
1.3 km away · US
US NGS · triangulation station
YACHT RESET — NGS RD3222 — Portland, US
1.4 km away · US
US NGS · triangulation station
HLM V 10 — NGS RD3221 — Portland, US
1.4 km away · US
US NGS · triangulation station
N PORTLAND HBR E END RNG F LT — NGS RD3226
1.4 km away · US
US NGS · triangulation station
N PORTLAND HBR E END RNG R LT — NGS RD3181
1.5 km away · US

Frequently asked questions

What is MARKED TREE 1 — NGS RD2884 — Portland, US?

MARKED TREE 1 — NGS RD2884 — Portland, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #5152. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of MARKED TREE 1 — NGS RD2884 — Portland, US?

The position of MARKED TREE 1 — NGS RD2884 — Portland, US in WGS84 is 45.601106°, -122.624137° (decimal), or 45° 36′ 3.98″ N, 122° 37′ 26.89″ 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.