A 533 — NGS RD1550 — Vancouver, US

This triangulation station is part of the NGS network, which maintains the fundamental geodetic control infrastructure for the United States. Trig stations serve as primary reference points for establishing accurate horizontal and vertical control across surveying projects, mapping initiatives, and engineering works. Located near Vancouver, Washington, at coordinates 45.64440°, -122.66893°, this point contributes to regional geodetic coverage in the Pacific Northwest. As a component of the national control network, it provides measurable reference data for surveyors, cartographers, and other professionals requiring precise positional information. The documentation and verification of such benchmarks remain essential for maintaining data integrity across surveying disciplines. Regular confirmation of point stability and accessibility ensures continued utility for contemporary projects relying on established geodetic frameworks.

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