HAZEL — NGS RD2831 — Vancouver, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the fundamental geodetic control for the United States. Located near Vancouver, Washington at coordinates 45.61839°N, 122.61395°W, this trig point serves as a reference for surveying and mapping activities across the Pacific Northwest region. Triangulation stations like this mark monumented locations used to create accurate positional networks through sight lines between distant points. The NGS network provides essential control for cadastral surveys, engineering projects, and geographic information systems. Verification and documentation of such benchmarks is critical for maintaining the integrity of geodetic data and ensuring that subsequent surveys and infrastructure projects align with established standards. Surveyors and GIS professionals depend on these references for coordinate accuracy and consistency.

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