11601 — NGS RD4242 — Vancouver, US

This triangulation station is part of the National Geodetic Survey's network, which establishes and maintains the foundational control points for surveying and mapping activities across the United States. Located near Vancouver, Washington, this trig point serves as a reference for local and regional geodetic work. Triangulation stations of this type historically provided precise horizontal control by establishing lines of sight between elevated observation points. The coordinates and network designation allow surveyors and engineers to reference their work to the national datum. Documentation and periodic verification of such control points remain valuable for maintaining the integrity of surveying records, supporting infrastructure projects, and ensuring consistency in local spatial data. Field professionals should consult current NGS resources for detailed information regarding access, condition, and any modern observations associated with this station.

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