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Attackpoint - performance and training tools for orienteering athletes

Discussion: Disappearing rock

in: jennycas; jennycas > 2020-07-12

Jul 13, 2020 9:35 AM # 
I had a similar experience whilst kayaking on the Yarra River near Westerfolds Park. Except in this case the rock was real and in the middle of the river. After getting stuck on the rock and damaging my kayak, l returned the next day with a crowbar and moved it to a better position - problem solved. I guess it would be possible to similarly relocate a rock on an orienteering map.
Jul 13, 2020 10:10 AM # 
Might be an urban myth but in the days of printed maps a boulder that was there on the ground was missed on a map in the UK for a major event.

Called in the army blew it up

Problem solved!
Jul 13, 2020 11:05 AM # 
The version of that story I heard involved a Swedish cliff at a 1980s O-ringen.
Jul 13, 2020 11:48 AM # 
I can recall some NSW junior squad members removing a boulder from Mohr's Forest by rolling it down a hill. Not sure if it was quite big enough to be mapped or not though.
Jul 14, 2020 12:21 PM # 
Around here it's usually that they've been harvested as moss rocks destined for people's gardens - at least the rocks which were taken away mostly weren't big enough to have been mapped individually.
Jul 15, 2020 12:05 PM # 
Have experienced the "extra dots on map" during my current mapping activity, using tablet and GPS. Luckily, they appeared in an unmapped section so easy to spot and remove. I think a couple may have popped up when I slipped and fell on a wet, mossy sheet of granite!

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