RV 6 — NGS JC0088 — Cahokia, US

USNGStrigunknown#6950
Latitude
38.565000°
Longitude
-90.178611°
Ortho h
124.85 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the foundational reference framework for surveying and mapping throughout the United States. As a trig point, this benchmark served to control horizontal positions through triangulation methods, providing accurate coordinate data essential for cadastral surveys, engineering projects, and cartographic work. Located near Cahokia, Illinois, this station occupies a position within the Mississippi River valley region. The coordinates 38.56500°, -90.17861° place it in southwestern Illinois, an area historically significant to surveying due to its extensive development and infrastructure requirements. Verification and documentation of such reference points remain valuable for quality assurance in modern surveying operations, particularly when validating legacy survey work or establishing continuity with historical geodetic control networks. Proper maintenance and recovery of these marks supports professional surveying practices across generations.

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 RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, USSatellite imagery of RV 6 — NGS JC0088 — Cahokia, US, US
🗺️ Google Maps🚗 Street View🅱️ Bing Maps🌐 OpenStreetMap
Imagery © Esri · Earthstar Geographics · USGS · NASA · All providers credited

RV 6 — NGS JC0088 — Cahokia, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #6950 on SurveyingPedia and sits at an approximate elevation of 124.8 metres. Its coordinates in WGS84 are 38.565000°, -90.178611°, corresponding to 38° 33′ 54.00″ N, 90° 10′ 43.00″ 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 RV 6 — NGS JC0088 — Cahokia, 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)38.565000, -90.178611
WGS84 (DMS)38° 33′ 54.00″ N, 90° 10′ 43.00″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation124.85 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
RV 5 — NGS JC0087 — Cahokia, US
0.7 km away · US
US NGS · triangulation station
K 146 — NGS JC0089 — Cahokia, US
0.8 km away · US
US NGS · triangulation station
L 146 — NGS JC0090 — Cahokia, US
0.8 km away · US
US NGS · triangulation station
RV 7 — NGS JC0092 — Saint Clair County, US
0.9 km away · US
US NGS · triangulation station
M 146 — NGS JC0085 — Cahokia, US
1.0 km away · US
US NGS · triangulation station
TT STA 38 F — NGS JC0091 — Cahokia, US
1.0 km away · US

Frequently asked questions

What is RV 6 — NGS JC0088 — Cahokia, US?

RV 6 — NGS JC0088 — Cahokia, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #6950 and sits at an elevation of 124.8 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of RV 6 — NGS JC0088 — Cahokia, US?

The position of RV 6 — NGS JC0088 — Cahokia, US in WGS84 is 38.565000°, -90.178611° (decimal), or 38° 33′ 54.00″ N, 90° 10′ 43.00″ W in degrees-minutes-seconds. For planar surveys in United States this falls approximately in UTM Zone 15N (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.