CSL 05 — NGS AA8565 — St. Louis, US
USNGStrigunknown#7159
Latitude
38.558873°
Longitude
-90.244518°
Ellipsoidal h
99.50 m
Ortho h
130.40 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's network, which establishes the foundational control for all surveying and mapping activities across the United States. Located near St. Louis, Missouri, at coordinates 38.55887° N, 90.24452° W, this trig point serves as a precisely positioned reference station for local and regional surveys. The ellipsoidal elevation of 99.5 meters is documented within the NGS vertical control framework. Triangulation stations of this type function as monuments connecting large-scale geodetic networks to practical surveying operations. Verification and documentation of such reference points remain essential for maintaining the accuracy and integrity of cadastral surveys, engineering projects, and spatial data infrastructure. Surveyors and GIS professionals rely on established control networks to ensure consistency across multiple jurisdictions and project timescales.
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