D 30 C OF B — NGS JV1129 — Baltimore, US

USNGStrigunknown#635003
Latitude
39.290833°
Longitude
-76.605833°
Ortho h
4.12 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that establish the fundamental reference framework for surveying and mapping across the United States. Located in the Baltimore, Maryland region at coordinates 39.29083°N, 76.60583°W, this trig point serves as a fixed reference for horizontal positioning. Triangulation stations of this type were established to provide surveyors and engineers with accurate positional data for boundary surveys, infrastructure projects, and cartographic work. The point's continued documentation in the NGS registry maintains its value for verification of local surveys and integration with modern positioning systems. Professional surveyors rely on such benchmarks to establish accuracy and consistency in their work. Regular confirmation of the monument's integrity and coordinates supports the ongoing reliability of the geodetic network in this region.

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D 30 C OF B — NGS JV1129 — Baltimore, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #635003 on SurveyingPedia and sits at an approximate elevation of 4.1 metres. Its coordinates in WGS84 are 39.290833°, -76.605833°, corresponding to 39° 17′ 27.00″ N, 76° 36′ 21.00″ 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 D 30 C OF B — NGS JV1129 — Baltimore, 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)39.290833, -76.605833
WGS84 (DMS)39° 17′ 27.00″ N, 76° 36′ 21.00″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation4.12 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
21 — NGS JV1130 — Baltimore, US
0.4 km away · US
US NGS · triangulation station
B 30 C OF B — NGS JV1132 — Baltimore, US
0.4 km away · US
US NGS · triangulation station
A 30 — NGS JV1133 — Baltimore, US
0.4 km away · US
US NGS · triangulation station
500 PRATT ST C OF B — NGS JV0560 — Baltimore, US
0.5 km away · US
US NGS · triangulation station
VIADUCT 1943 — NGS JV5570 — Baltimore, US
0.6 km away · US
US NGS · triangulation station
BALTIMORE TRUST FLAT TOP TOWER — NGS JV5497
0.7 km away · US

Frequently asked questions

What is D 30 C OF B — NGS JV1129 — Baltimore, US?

D 30 C OF B — NGS JV1129 — Baltimore, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #635003 and sits at an elevation of 4.1 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of D 30 C OF B — NGS JV1129 — Baltimore, US?

The position of D 30 C OF B — NGS JV1129 — Baltimore, US in WGS84 is 39.290833°, -76.605833° (decimal), or 39° 17′ 27.00″ N, 76° 36′ 21.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 18N (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.