QUARRY POINT — NGS RD2385 — Vancouver, US

This triangulation station is part of the NGS network, which establishes the fundamental horizontal control framework for surveying and mapping throughout the United States. Located near Vancouver, Washington, at coordinates 45.58681° N, 122.48486° W, this trig point serves as a geodetic reference for regional survey work and coordinate determination. Triangulation stations of this type historically provided precise positional control by establishing lines of sight between elevated locations across broad areas. Modern surveyors and mapping professionals continue to reference such points when establishing local coordinate systems, verifying survey networks, or conducting engineering projects requiring high positional accuracy. Documentation and periodic verification of benchmark locations remain valuable for maintaining survey integrity and supporting cadastral work in areas with significant development or infrastructure projects. The stability and accessibility of such control points contributes directly to the reliability of surveying operations in the Pacific Northwest region.

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