CHRISTENSEN — NGS AA3405 — Douglas County, US

This triangulation station is part of the NGS network, which serves as the foundation for the Nation's spatial reference system. Trig stations function as primary control points for surveying, mapping, and engineering projects throughout the United States. Located in Douglas County, Colorado, at coordinates 39.51979°, -104.76487° with an ellipsoidal elevation of 1769.7 meters, this benchmark contributes to the precise geodetic framework of the Front Range region. The systematic documentation and periodic verification of such control points ensures their continued utility for cadastral surveys, infrastructure development, and scientific applications. Surveyors and engineers rely on these monumented positions to establish local coordinate systems and maintain positional accuracy across projects. Accurate records of benchmark locations and elevations are essential for maintaining the integrity of the geodetic network.

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