G 133 — NGS JX0357 — Salem, US

This triangulation station is part of the NGS network, which establishes the fundamental geodetic control for the United States. Located near Salem, West Virginia, at coordinates 39.28889° N, 80.56056° W, this trig point serves as a reference monument for surveying and mapping activities across the region. Triangulation stations like this one provide precise horizontal control by establishing intervisible points across the landscape. Such monuments are essential for large-scale surveying projects, property boundary determinations, and integration with modern positioning systems. The NGS maintains these stations as part of the National Spatial Reference System. Verification and documentation of existing control points remain valuable for surveyors and engineers who depend on established geodetic references. Even points with incomplete metadata records contribute to understanding the historical development of surveying networks. Field professionals may reference this station when establishing local survey control or validating contemporary GPS observations.

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