10911 — NGS RD4300 — Vancouver, US

This triangulation station is part of the NGS geodetic network, which forms the foundational control infrastructure for surveying and mapping throughout the United States. Located near Vancouver, Washington at coordinates 45.66500°, -122.56028°, this trig point serves as a precisely positioned reference monument for terrestrial surveys and spatial data collection in the Pacific Northwest region. Triangulation stations like this one provide essential horizontal control through measured angles and distances, enabling surveyors and cartographers to establish accurate positions for subsequent mapping projects. The documentation and verification of such benchmarks remain critical for maintaining the integrity of the national geodetic datum and supporting engineering, construction, and land surveying activities. Proper identification and preservation of these monuments ensures continuity of spatial reference systems across generations of surveying work.

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