Category:Geodetic control points

From Wikimedia Commons, the free media repository
Jump to: navigation, search
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)

Subcategories

This category has the following 7 subcategories, out of 7 total.

Media in category "Geodetic control points"

The following 75 files are in this category, out of 75 total.