ANDERSON — NGS RD3375 — Clark County, US

This is a triangulation station within the National Geodetic Survey's network, a foundational component of the United States' horizontal control infrastructure. Located in Clark County, Washington, at coordinates 45.69801° N, 122.71072° W, this trig point serves as a reference station for surveying and mapping operations throughout the region. Triangulation stations of this type were established to provide accurate positional control for cadastral surveys, engineering projects, and cartographic work. The point's documented location enables surveyors and geodesists to reference their local measurements against the national datum. Verification and maintenance of such benchmarks remain valuable for quality assurance in modern surveying practices. Although the elevation was not recorded in available records, the horizontal coordinates establish its utility within the NGS network. Surveying professionals conducting work in this area may reference this station to validate their own control networks and ensure consistency with established geodetic standards.

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