MAYS — NGS RD2879 — Portland, US

This triangulation (trig) station is part of the National Geodetic Survey's classical horizontal control network, which established and maintains geodetic reference points across the United States. Located near Portland, Oregon, at coordinates 45.57155° N, 122.54161° W, this point serves as a fixed reference for surveying and mapping activities in the region. Trig stations historically provided precise positional control through intervisible networks of monuments. This point contributes to the foundational geodetic infrastructure supporting cadastral surveys, engineering projects, and geographic information systems in the Pacific Northwest. Contemporary verification and documentation of such stations remain valuable for ensuring continuity of survey control, validating modern positioning technologies, and maintaining the historical record of geodetic work. Surveyors and GIS professionals rely on accurate coordinates and accessibility of these established references for local and regional mapping initiatives.

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