HAMLIN — NGS HT2466 — Moraga, US

This triangulation station is part of the National Geodetic Survey's network, which establishes the foundational control points for mapping and surveying throughout the United States. Located near Moraga, California, at coordinates 37.87091° N, 122.11744° W, this trig point serves as a reference for horizontal positioning in the San Francisco Bay Area region. Triangulation stations like this historically provided precise geodetic control by establishing intervisible points across landscapes. Modern surveyors and engineers rely on documented benchmark locations to tie local surveys into the national coordinate system and verify instrument accuracy. The continued verification and maintenance of such control points ensures the integrity of surveying operations, land records, and infrastructure projects. Professionals conducting work in this area may use this station for establishing local survey networks or validating GPS and conventional survey measurements.

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