HEIGHT — NGS RD2803 — Vancouver, US

NGS Triangulation Station This triangulation point is part of the National Geodetic Survey's horizontal control network, which establishes the fundamental reference framework for surveying and mapping throughout the United States. Located near Vancouver, Washington at coordinates 45.63134°, -122.61149°, this trig station serves as a monumented reference point for precise positioning work. Triangulation stations of this type were established to support accurate determination of positions across regions through intersecting sight lines. The point contributes to the overall geodetic datum and remains valuable for professional surveyors conducting boundary surveys, engineering projects, and geographical information system applications. Verification and documentation of such benchmark locations ensures the integrity of the control network. Surveyors rely on these established points to validate modern positioning techniques and maintain consistency in local coordinate systems. Proper care and recovery of these monuments preserves the geodetic infrastructure for continued professional use.

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