13 M — NGS MB3158 — Maple Heights, US

This triangulation station is part of the National Geodetic Survey's network of control points that establish the fundamental geodetic framework for the United States. Located in the Maple Heights, Ohio area, this trig point serves as a reference for horizontal and vertical positioning across regional surveys and mapping projects. The ellipsoidal elevation of 283.1 meters reflects precise vertical measurements tied to the national datum. Triangulation stations of this class have historically provided stable reference marks for surveyors, engineers, and cartographers establishing local coordinate systems and conducting boundary surveys. Modern verification and documentation of such benchmarks remain important for validating contemporary GPS and surveying operations, ensuring consistency between legacy surveys and current positioning standards, and maintaining the continuity of geodetic control infrastructure.

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