River Gauges - Oude Willem NL
Posted by: 
dreamhummie
N 52° 54.338 E 006° 19.917
32U E 320573 N 5865106
River Gauges on a bridge in National Park Drents-Friese Wold near Oude Willem, The Netherlands.
Waymark Code: WMNG0D
Location: Drenthe, Netherlands
Date Posted: 03/09/2015
Views: 3
On this bridge are two River Gauges.
One has a mark till 8.40 mtr above NAP.
The other one till 9,20 mtr above NAP.
NAP = Normaal Amsterdams Peil or Amsterdam Ordnance Datum.
The NAP network consists of approximately 35,000 visible benchmarks, mostly bronze screws labeled NAP placed in embankments, walls, buildings or on poles and in addition 400 underground benchmarks. The height differences between the benchmarks is recorded accurately.
Source and link: NAP
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