W 929 — NGS HT0088 — Lafayette, US

This triangulation (trig) station is part of the National Geodetic Survey's horizontal control network, which establishes the foundational reference framework for surveying and mapping throughout the United States. Located near Lafayette in Contra Costa County, California, at coordinates 37.89003° N, 122.13056° W, this point serves as a precisely positioned reference for regional surveys and geographic information systems. Trig stations of this classification were historically established through triangulation methods to create interconnected networks of known positions across the landscape. Modern surveyors and GIS professionals rely on such benchmarks to ensure accuracy in property surveys, infrastructure development, and spatial data collection. Verification and documentation of existing control points remains valuable for confirming network integrity and supporting quality assurance in contemporary surveying practices. This point contributes to the broader geodetic infrastructure supporting civilian and technical surveying operations in the Bay Area region.

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