M 157 — NGS PY0127 — Park County, US

This triangulation station is part of the National Geodetic Survey's legacy trig network, which established the foundational control framework for surveying and mapping across the United States. Located in Park County, Wyoming, at coordinates 44.88822° N, 110.73253° W and an ellipsoidal elevation of 2213.9 meters, this point serves as a reference for horizontal and vertical positioning in its region. Trig stations of this type were traditionally established at elevated locations to facilitate inter-visibility for classical surveying methods. Modern surveyors and geodesists use such monumented points to validate contemporary positioning systems, constrain local networks, and maintain continuity with historical survey data. Verification and documentation of these control points remain valuable for ensuring datum consistency, supporting large-scale engineering projects, and preserving the integrity of the national spatial reference system.

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