BOWLEYS — NGS AI8071 — Baltimore, US

USNGStrigunknown#634921
Latitude
39.310729°
Longitude
-76.537177°
Ellipsoidal h
-9.31 m
Ortho h
23.60 m
Verifications
0
Last checked
Never
This triangulation (trig) station is part of the National Geodetic Survey network, which establishes and maintains the horizontal and vertical control framework for the United States. Located near Baltimore, Maryland, at coordinates 39.31073° N, 76.53718° W, this point serves as a geodetic reference for surveying and mapping activities throughout the region. Triangulation stations like this provide monumented positions of known accuracy that surveyors, engineers, and cartographers use as starting points for local surveys and construction projects. The ellipsoidal elevation of -9.3 meters indicates the point's vertical relationship to the reference ellipsoid. Verification and documentation of NGS control points remain essential for maintaining the integrity of the national spatial reference system. Regular recovery and inspection of such benchmarks ensures their continued utility for professional surveying practices and cadastral work.

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BOWLEYS — NGS AI8071 — Baltimore, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #634921 on SurveyingPedia and sits at an approximate elevation of 23.6 metres. Its coordinates in WGS84 are 39.310729°, -76.537177°, corresponding to 39° 18′ 38.63″ N, 76° 32′ 13.84″ 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 BOWLEYS — NGS AI8071 — 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)39.310729, -76.537177
WGS84 (DMS)39° 18′ 38.63″ N, 76° 32′ 13.84″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation23.60 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
B 110 MDSRC — NGS JV1116 — Baltimore, US
0.4 km away · US
US NGS · triangulation station
P 30 — NGS JV1118 — Baltimore, US
0.4 km away · US
US NGS · triangulation station
D 110 — NGS JV1115 — Baltimore, US
0.5 km away · US
US NGS · triangulation station
N 30 — NGS JV1119 — Baltimore, US
0.5 km away · US
US NGS · triangulation station
N 30 RESET — NGS JV1120 — Baltimore, US
0.5 km away · US
US NGS · triangulation station
SHA 716 — NGS DR7497 — Baltimore, US
0.6 km away · US

Frequently asked questions

What is BOWLEYS — NGS AI8071 — Baltimore, US?

BOWLEYS — NGS AI8071 — Baltimore, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #634921 and sits at an elevation of 23.6 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of BOWLEYS — NGS AI8071 — Baltimore, US?

The position of BOWLEYS — NGS AI8071 — Baltimore, US in WGS84 is 39.310729°, -76.537177° (decimal), or 39° 18′ 38.63″ N, 76° 32′ 13.84″ 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.