2611 — NGS RD4317 — Vancouver, US

This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes the foundational reference framework for surveying and mapping activities throughout the United States. Located near Vancouver, Washington at coordinates 45.64111° N, 122.69917° W, this trig point contributes to the precise geospatial data infrastructure essential for engineering projects, land surveying, and geographic information systems. Triangulation stations of this classification serve as primary control points from which secondary surveys are referenced and adjusted. Verification and documentation of such benchmarks remain critical for maintaining the accuracy and reliability of the national geodetic datum. Surveyors and GIS professionals depend on these established reference points to ensure consistency and precision in their work. The continued maintenance and accessibility of these control stations supports the integrity of surveying operations across the region.

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