L/D 2 M1 — NGS DO5145 — Pittsburgh, US

USNGStrigunknown#633293
Latitude
40.487520°
Longitude
-79.915073°
Ellipsoidal h
189.55 m
Ortho h
223.32 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's control network, which establishes the fundamental horizontal and vertical reference framework for the United States. Located near Pittsburgh, Pennsylvania at coordinates 40.48752°, -79.91507°, this trig point serves as a monumented survey station used for establishing accurate positions and elevations across the region. Triangulation stations like this one are essential control points that support cadastral surveys, engineering projects, and mapping activities. The ellipsoidal elevation of 189.5 meters provides vertical reference data tied to the national geodetic datum. Documentation and verification of such benchmark locations remain critical for surveyors and geospatial professionals who depend on reliable control points for precision work. Proper maintenance and recovery of these stations ensures continuity of positional accuracy for both historical and contemporary surveying applications.

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L/D 2 M1 — NGS DO5145 — Pittsburgh, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #633293 on SurveyingPedia and sits at an approximate elevation of 223.3 metres. Its coordinates in WGS84 are 40.487520°, -79.915073°, corresponding to 40° 29′ 15.07″ N, 79° 54′ 54.26″ 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 L/D 2 M1 — NGS DO5145 — Pittsburgh, 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)40.487520, -79.915073
WGS84 (DMS)40° 29′ 15.07″ N, 79° 54′ 54.26″ W
UTM zone (approx.)Zone 17N (approx.)
Elevation223.32 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
L/D 2 M2 — NGS DO5144 — Pittsburgh, US
0.1 km away · US
US NGS · triangulation station
18 — NGS KX1473 — Pittsburgh, US
0.3 km away · US
US NGS · triangulation station
L/D 2 M6 — NGS DO5159 — Pittsburgh, US
0.3 km away · US
US NGS · triangulation station
L 136 — NGS KX1491 — Pittsburgh, US
0.8 km away · US
US NGS · triangulation station
M 136 — NGS KX1472 — Pittsburgh, US
1.5 km away · US
US NGS · triangulation station
K 136 — NGS KX1490 — Pittsburgh, US
2.3 km away · US

Frequently asked questions

What is L/D 2 M1 — NGS DO5145 — Pittsburgh, US?

L/D 2 M1 — NGS DO5145 — Pittsburgh, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #633293 and sits at an elevation of 223.3 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of L/D 2 M1 — NGS DO5145 — Pittsburgh, US?

The position of L/D 2 M1 — NGS DO5145 — Pittsburgh, US in WGS84 is 40.487520°, -79.915073° (decimal), or 40° 29′ 15.07″ N, 79° 54′ 54.26″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 17N (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.