C 533 — NGS RD1552 — Vancouver, US

This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the primary geodetic control framework for the United States. Trig stations serve as precisely positioned reference points essential for surveying, mapping, and engineering projects requiring accurate horizontal control. Located near Vancouver, Washington at coordinates 45.65639°, -122.66472°, this monument contributes to regional survey infrastructure in the Pacific Northwest. As a component of NGS's broader control network, this point anchors local surveys and provides verification for subsequent measurements. Documentation and periodic verification of such benchmarks remain critical for maintaining data integrity across generations of surveying work. Surveyors and engineers rely on these established control points to ensure consistency and accuracy in property boundary determination, construction layout, and geographic information system development throughout the area.

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