VANCOUVER — NGS RD1579

This triangulation station represents a control point within the National Geodetic Survey network, which forms the backbone of horizontal and vertical geodetic control across the United States. Trig stations of this type serve as foundational reference marks for surveying, mapping, and engineering projects requiring precise spatial positioning. Located near Vancouver, Washington, this benchmark at coordinates 45.62445°N, 122.65982°W provides essential control for regional surveys and serves as a tie point for local geodetic networks. The point's documented location enables surveyors to reference their work to the national coordinate system, ensuring consistency and accuracy across multiple projects and jurisdictions. Documentation and verification of such control points remain critical to maintaining the integrity of the surveying infrastructure. These stations facilitate accurate property boundary determination, public works projects, and scientific investigations dependent on reliable positional data.

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