LB138

This trigonometric benchmark is part of a local geodetic network in France, positioned at coordinates 49.76222°N, 5.81594°E. As a trig point, it served as a control station for surveying and mapping operations, providing precise horizontal positioning data for regional cadastral and topographic work. Such stations are fundamental to establishing reference frameworks upon which detailed surveys depend. The point's elevation has not been recorded in available documentation. Located within French territory, this benchmark contributes to the broader network of control points that support land surveying, engineering projects, and cartographic activities at the local level. Verification and documentation of existing benchmarks remain valuable for maintaining geodetic infrastructure continuity, enabling surveyors to validate historical measurements and assess modern positioning needs within the surveyed region.

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