HEIGHT RM 2 — NGS RD2804 — Vancouver, US

This triangulation station is part of the National Geodetic Survey's network of control points that establishes the geometric framework for accurate surveying and mapping across the United States. Located near Vancouver, Washington at coordinates 45.63136°, -122.61184°, this trig point serves as a reference for horizontal positioning and spatial measurements in the Pacific Northwest region. Triangulation stations of this type were historically occupied and intervisible with other monuments to create networks of known positions. Modern surveyors rely on such established control points for project initialization, boundary verification, and quality assurance of local surveys. The documentation and verification of benchmark locations remains valuable for maintaining the integrity of the geodetic datum and supporting both public infrastructure projects and private surveying work. Surveyors should verify current monument condition and accessibility before field use.

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