SHAW — NGS RD3185 — Portland, US

This triangulation station is part of the National Geodetic Survey's network, which forms the foundation of horizontal control for surveying and mapping activities across the United States. Trig points serve as precisely positioned reference monuments that enable surveyors, engineers, and cartographers to establish local coordinate systems and verify spatial measurements. Located near Portland, Oregon, at coordinates 45.60971° N, 122.67081° W, this benchmark provides essential geometric control for the region. Like other NGS stations, it supports cadastral surveying, infrastructure development, and scientific applications requiring accurate positioning. The elevation data for this point has not been recorded in available registry information. Surveyors consulting this benchmark should verify its current condition and accessibility before use. Proper documentation and maintenance of such control points remain critical for preserving the nation's surveying infrastructure and ensuring consistency across multiple surveys and mapping projects conducted within the area.

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