JUNGLE — NGS RD3123 — Portland, US

This triangulation station is part of the NGS network, which establishes and maintains the fundamental geodetic control for the United States. Located near Portland, Oregon at coordinates 45.60626° N, 122.65035° W, this trig point serves as a reference station for horizontal control in the Willamette Valley region. Triangulation stations like this provide essential reference points for surveyors, mapmakers, and engineers conducting cadastral, construction, and mapping projects across the Pacific Northwest. The point's coordinates integrate with the broader national network of geodetic monuments, enabling accurate positional referencing and survey work at local and regional scales. Verification and documentation of such benchmarks remain important for maintaining network integrity and ensuring reliable control data. Professional surveyors rely on these established points to validate instrument calibration and ensure accuracy in their fieldwork.

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