RV 8 — NGS JC0093 — Cahokia, US

This triangulation station is part of the National Geodetic Survey network, which establishes the fundamental control framework for surveying and mapping across the United States. Trig points serve as precisely positioned reference stations for horizontal control, enabling accurate determination of positions for subsequent surveys and engineering projects. Located in the vicinity of Cahokia, Illinois, this benchmark contributes to the regional geodetic infrastructure of the St. Louis metropolitan area. The station's coordinates have been established within the NGS network to support professional surveying activities. Documentation and verification of such control points remain essential for maintaining the integrity of the national spatial reference system. Surveyors and engineers depend on these stations for calibrating instruments and verifying positional accuracy in their work. Current users should consult the NGS database for any station history, condition reports, or adjustments to ensure fitness for their specific applications.

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