Y 146 — NGS JC0011 — Collinsville, US

USNGStrigunknown#6936
Latitude
38.659167°
Longitude
-90.063333°
Ortho h
128.68 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's horizontal control network, which provides foundational positional reference data for surveying, mapping, and engineering projects across the United States. Located near Collinsville, Illinois, at coordinates 38.65917° N, 90.06333° W, this trig point served as a precisely positioned observation station for classical geodetic measurements. Triangulation stations of this type are monumented reference points established to support accurate coordinate determination over regional areas. Such marks remain valuable for verifying modern survey work, calibrating GPS/GNSS observations, and maintaining positional consistency in cadastral and infrastructure records. The documented location of this benchmark contributes to the NGS database, enabling surveyors and geospatial professionals to access reliable horizontal control information. Verification and maintenance of such reference points preserve the integrity of the nation's geodetic infrastructure.

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Y 146 — NGS JC0011 — Collinsville, US is a triangulation station located in United States, catalogued in the US NGS dataset. The point has been assigned the stable identifier #6936 on SurveyingPedia and sits at an approximate elevation of 128.7 metres. Its coordinates in WGS84 are 38.659167°, -90.063333°, corresponding to 38° 39′ 33.00″ N, 90° 3′ 48.00″ 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 Y 146 — NGS JC0011 — Collinsville, 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)38.659167, -90.063333
WGS84 (DMS)38° 39′ 33.00″ N, 90° 3′ 48.00″ W
UTM zone (approx.)Zone 15N (approx.)
Elevation128.68 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
X 146 RESET — NGS JC0013 — Collinsville, US
0.8 km away · US
US NGS · triangulation station
Z 146 RESET — NGS JC0010 — Madison County, US
1.4 km away · US
US NGS · triangulation station
CASEYVILLE MOUND WATER TANK — NGS JC1577 — Saint Clair County, US
1.8 km away · US
US NGS · triangulation station
UM 120 — NGS DP3024 — Saint Clair County, US
1.9 km away · US
US NGS · triangulation station
UM 121 — NGS DP3025 — Collinsville, US
2.1 km away · US
US NGS · triangulation station
A 147 — NGS JC0007 — Saint Clair County, US
2.1 km away · US

Frequently asked questions

What is Y 146 — NGS JC0011 — Collinsville, US?

Y 146 — NGS JC0011 — Collinsville, US is a triangulation station located in United States, catalogued in the US NGS network. It has the public identifier #6936 and sits at an elevation of 128.7 metres. The point is used for geodetic reference, topographic surveys, and related measurement workflows.

Where are the exact coordinates of Y 146 — NGS JC0011 — Collinsville, US?

The position of Y 146 — NGS JC0011 — Collinsville, US in WGS84 is 38.659167°, -90.063333° (decimal), or 38° 39′ 33.00″ N, 90° 3′ 48.00″ 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.