Y 320 — NGS MB1502 — Cleveland, US

This triangulation station is part of the National Geodetic Survey's network of fundamental control points that establish the geometric framework for mapping and surveying across the United States. Located near Cleveland, Ohio, at coordinates 41.49611° N, 81.69944° W, this trig point serves as a reference for horizontal positioning and geodetic work in northeastern Ohio. Triangulation stations of this type were historically established to create accurate control networks through reciprocal sighting methods. They provide stable reference points for surveyors, engineers, and cartographers conducting precise measurements and spatial data collection. The station's continued documentation and verification remain valuable for maintaining survey accuracy, validating modern GPS observations, and supporting infrastructure projects that depend on reliable geodetic control. Proper maintenance and recovery of such marks preserves the integrity of established survey networks.

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