Category:Geodetic control points

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English: Geodetic control points or survey markers are markers used for surveying; Benchmarks are used for precise levelling and altitudes (Z), Trig points are geodetic reference points and monuments (XYZ)


This category has the following 9 subcategories, out of 9 total.

Media in category "Geodetic control points"

The following 130 files are in this category, out of 130 total.