PEARSON — NGS RD4110 — Vancouver, US

This triangulation station is part of the NGS network, which establishes the fundamental geodetic framework for the United States. Trig stations serve as primary control points for surveying, mapping, and engineering projects across the country. Located near Vancouver, Washington, this point occupies a strategic position within the Pacific Northwest geodetic infrastructure. The ellipsoidal elevation of -16.3 meters indicates a position below the reference ellipsoid, typical for areas in lower-lying regions. As a network monument, this station provides essential horizontal and vertical control for surveying operations, boundary determination, and large-scale geographic information systems. Verification and documentation of such points ensure the integrity of the national spatial reference framework. Professional surveyors and geodetic practitioners rely on these established control points for accurate positioning and coordinate transformation work throughout their region.

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