CSL 08 — NGS AA8568 — St. Louis, US
USNGStrigunknown#7170
Latitude
38.580894°
Longitude
-90.228258°
Ellipsoidal h
122.37 m
Ortho h
153.30 m
Verifications
0
Last checked
Never
This triangulation station is part of the National Geodetic Survey's passive control network, which establishes the foundational framework for precise positioning throughout the United States. Located near St. Louis, Missouri, at coordinates 38.58089°N, 90.22826°W, this trig point serves as a stable reference for surveying, mapping, and engineering projects across the region. The ellipsoidal elevation of 122.4 meters provides vertical control data essential for accurate geodetic work. Triangulation stations of this type have historically supported large-scale surveys and continue to provide valuable verification points for modern positioning systems. Proper documentation and maintenance of such benchmarks remain important for ensuring consistency in surveying standards and enabling professionals to validate measurements across interconnected projects.
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