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 10 subcategories, out of 10 total.

Media in category "Geodetic control points"

The following 162 files are in this category, out of 162 total.