CLAYTON RM 2 — NGS HS3575

This triangulation station is part of the National Geodetic Survey's network, which establishes the horizontal control framework fundamental to United States surveying and mapping activities. Trigonometric stations like this serve as fixed reference points for geodetic surveys, enabling accurate positional data across regions. Located near Clayton, California, at coordinates 37.94486°N, 121.94448°W, this benchmark contributes to the regional control network for the East Bay area. Trig stations typically occupy prominent or accessible locations to facilitate line-of-sight observations between multiple points, creating interconnected networks that support survey-grade accuracy. Verification and documentation of such reference points remain essential for maintaining geodetic infrastructure integrity. Surveyors rely on these established positions for professional work ranging from property boundary determination to large-scale engineering projects. Periodic inspection and coordinate confirmation help ensure continued reliability of the broader network.

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