BULL 2 — NGS RD2318 — Multnomah County, US

This triangulation station is part of the National Geodetic Survey's horizontal control network, which establishes the foundational reference framework for surveying and mapping across the United States. Located in Multnomah County, Oregon, at coordinates 45.57017° N, 122.46209° W, this trig point served as a precisely positioned observation station for triangulation work. Such stations enable surveyors and cartographers to reference their local measurements to the national datum, ensuring consistency and accuracy across jurisdictional boundaries. Trig stations of this era provided essential control points for establishing property boundaries, infrastructure development, and geographic documentation. Modern verification and maintenance of these historic points preserve their utility for contemporary surveying practices and geodetic research. Documentation of their condition and continued accessibility supports ongoing surveying operations and contributes to the integrity of the national spatial reference system.

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