15 — NGS JC0048 — St. Louis, US
USNGStrigunknown#7123
Latitude
38.629167°
Longitude
-90.181667°
Ortho h
126.80 m
Verifications
0
Last checked
Never
This triangulation station is part of the NGS network, which establishes the fundamental geodetic control framework for the United States. Located near St. Louis, Missouri at coordinates 38.62917°N, 90.18167°W, this trig point serves as a reference station for precise positioning and surveying operations across its region.
Triangulation stations like this provide stable, monumented positions used for ground surveys, mapping projects, and establishment of local control networks. The NGS maintains these benchmarks as part of the National Spatial Reference System, ensuring consistency and accuracy in surveying and mapping activities nationwide.
Verification and documentation of such control points remain valuable for surveyors and engineers conducting boundary surveys, engineering projects, and GIS-based applications. Proper maintenance and periodic re-observation of these monuments help preserve geodetic infrastructure for future reference and use.
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