KEYSTONE RESET — NGS KV3690 — Philadelphia, US

USNGStrigunknown#218197
Latitude
40.020596°
Longitude
-75.030751°
Ortho h
0.00 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network of control points that establish the geometric framework for mapping and surveying across the United States. Located near Philadelphia, Pennsylvania, at coordinates 40.02060° N, 75.03075° W, this trig point serves as a precisely positioned reference for regional surveys and engineering projects. Triangulation stations function as horizontal control monuments, enabling surveyors to determine accurate distances and directions across landscapes. The NGS network has historically provided the foundational geodetic infrastructure upon which local, state, and federal mapping initiatives depend. Verification and documentation of such benchmarks remains essential for maintaining survey accuracy, supporting infrastructure development, and preserving the institutional knowledge of the nation's surveying framework. Current condition assessment and coordinate confirmation ensure continued utility for contemporary surveying applications.

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 KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, USSatellite imagery of KEYSTONE RESET — NGS KV3690 — Philadelphia, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

KEYSTONE RESET — NGS KV3690 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #218197 on SurveyingPedia. Its coordinates in WGS84 are 40.020596°, -75.030751°, corresponding to 40° 1′ 14.15″ N, 75° 1′ 50.70″ 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 KEYSTONE RESET — NGS KV3690 — Philadelphia, 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)40.020596, -75.030751
WGS84 (DMS)40° 1′ 14.15″ N, 75° 1′ 50.70″ W
UTM zone (approx.)Zone 18N (approx.)
Elevation0.00 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
TACONY DELANEY TANK — NGS KV3692 — Philadelphia, US
0.4 km away · US
US NGS · triangulation station
PHILADELPHIA DISSTON TANK — NGS KV3679
0.7 km away · US
US NGS · triangulation station
PHILADELPHIA GILMER CO TANK — NGS KV3687
0.7 km away · US
US NGS · triangulation station
TACONY H DISSTON SONS CHIMNEY — NGS KV3678 — Philadelphia, US
0.8 km away · US
US NGS · triangulation station
PHILADELPHIA GILMER CO STACK — NGS KV3688
0.8 km away · US
US NGS · triangulation station
PALMYRA RANGE FRONT LIGHT — NGS KV3691
1.0 km away · US

Frequently asked questions

What is KEYSTONE RESET — NGS KV3690 — Philadelphia, US?

KEYSTONE RESET — NGS KV3690 — Philadelphia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #218197. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of KEYSTONE RESET — NGS KV3690 — Philadelphia, US?

The position of KEYSTONE RESET — NGS KV3690 — Philadelphia, US in WGS84 is 40.020596°, -75.030751° (decimal), or 40° 1′ 14.15″ N, 75° 1′ 50.70″ 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.