2000 — NGS RD4241 — Vancouver, US

This triangulation station is part of the National Geodetic Survey's integrated network of horizontal control points that form the foundation of the United States' official geodetic infrastructure. Located near Vancouver, Washington, at coordinates 45.60611°N, 122.54917°W, this trig point serves as a reference station for surveying, mapping, and engineering projects requiring accurate horizontal positioning. Triangulation stations of this type were established to provide surveyors and cartographers with monumented reference points of known and verified position. The documented recovery and verification of such control points remains valuable for professionals conducting boundary surveys, construction staking, GIS development, and large-scale mapping activities. Maintaining an accessible registry of these points supports the continuity of geodetic work across generations of surveyors and ensures compatibility with modern positioning methodologies.

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