U 7 — NGS RD0629 — Vancouver, US

This trigonometric station is part of the National Geodetic Survey's network that forms the foundational control for precision surveying and mapping across the United States. Trig stations serve as established reference points for horizontal positioning, enabling surveyors and engineers to accurately determine locations and distances during field work. Located near Vancouver, Washington, at coordinates 45.63069°N, 122.67478°W, this point contributes to regional geodetic control in the Pacific Northwest. Verification and documentation of such benchmarks remain essential for maintaining survey accuracy, supporting infrastructure development, and ensuring consistency in spatial data. The NGS network continues to serve surveyors, cartographers, and GIS professionals who rely on these monuments to establish ground truth for their work.

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