GIS 58 — NGS AE4012 — Towson, US

USNGStrigunknown#634842
Latitude
39.395732°
Longitude
-76.528629°
Ellipsoidal h
84.80 m
Ortho h
117.55 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the horizontal and vertical control framework essential to surveying, mapping, and engineering projects throughout the United States. Located near Towson, Maryland, at coordinates 39.39573° N, 76.52863° W, this trig point serves as a precisely defined reference for regional geodetic work. The station is positioned at an ellipsoidal elevation of 84.8 meters. As a triangulation monument, it was established to provide accurate positional control for surveys and to support the integration of local measurements into the national coordinate system. Verification and documentation of such control points remain critical for maintaining the integrity of the geodetic network and ensuring consistency across surveying projects that depend on established reference values.

Verify this point

Sign in to submit a verification from the field.

Verification history (0)

No verifications yet. Be the first to check this point!
🛰️ Satellite view
ESRI World Imagery · zoom 16 (~1 m/px)
Open in Google Earth →
Satellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, USSatellite imagery of GIS 58 — NGS AE4012 — Towson, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

GIS 58 — NGS AE4012 — Towson, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #634842 on SurveyingPedia and sits at an approximate elevation of 117.5 metres. Its coordinates in WGS84 are 39.395732°, -76.528629°, corresponding to 39° 23′ 44.63″ N, 76° 31′ 43.06″ 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 GIS 58 — NGS AE4012 — Towson, 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)39.395732, -76.528629
WGS84 (DMS)39° 23′ 44.63″ N, 76° 31′ 43.06″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation117.55 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
RICH — NGS JV5438 — Towson, US
0.7 km away · US
US NGS · triangulation station
RICH 2 — NGS JV5437 — Towson, US
0.7 km away · US
US NGS · triangulation station
SPARK RM 1 — NGS JV1159 — Towson, US
1.3 km away · US
US NGS · triangulation station
SPARK RM 2 — NGS JV1157 — Towson, US
1.3 km away · US
US NGS · triangulation station
SPARK — NGS JV1158 — Towson, US
1.3 km away · US
US NGS · triangulation station
SPARK AZ MK 2 — NGS JV1156 — Towson, US
1.3 km away · US

Frequently asked questions

What is GIS 58 — NGS AE4012 — Towson, US?

GIS 58 — NGS AE4012 — Towson, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #634842 and sits at an elevation of 117.5 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of GIS 58 — NGS AE4012 — Towson, US?

The position of GIS 58 — NGS AE4012 — Towson, US in WGS84 is 39.395732°, -76.528629° (decimal), or 39° 23′ 44.63″ N, 76° 31′ 43.06″ 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.