HLM V 5 — NGS RD3392 — Vancouver, US

This NGS trigonometric station is located near Vancouver, Washington, at coordinates 45.63033° N, 122.69359° W. As a trig point within the National Geodetic Survey network, this benchmark serves as a fundamental control point for the nation's horizontal geodetic datum. Such stations have historically supported large-scale surveying projects, mapping initiatives, and the establishment of local survey networks across the United States. Trigonometric stations like this one are typically monumented points with known precise coordinates, enabling surveyors and geodetic professionals to reference their work against the national control network. The documented location near Vancouver positions this point within the Pacific Northwest region, an area requiring reliable geodetic infrastructure for engineering, land surveying, and geographic information systems applications. Verification and continued documentation of benchmark locations remain valuable for maintaining geodetic network integrity and supporting professional surveying operations.

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