Marking survey-stations

John Halleck John.Halleck@utah.edu
Wed, 22 Oct 2003 08:30:15 -0600 (MDT)


On Wed, 22 Oct 2003, Roger Johansson wrote:

> Date: Wed, 22 Oct 2003 13:15:21 +0200
> From: Roger Johansson <roger.johansson@mail.op.se>
> To: cave-surveying@survex.com
> Subject: Marking survey-stations
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> Dear Surveyors!
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> I don't know is this list is still active bur I hope so since I need some
> advice from experienced surveyors. What is the best way to mark permanent
> survey-stations? These stations has to be relocated when the survey is
> continued perhaps many years after the first survey was done.
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> I've seen and heard of several ways to do this, for example cairns, carbi=
de
> soot markings, bolts, etc, but they all seems to have some major
> disadventages. Cairns will not withstand running water or clumsy cavers.
> Bolts are time-consuming to place and might make the cave look littered
> (carbide-soot looks even worse).

  At Little Brush Creek Cave, for our starting point, we used a star drill
  and a hammer, and marked a Volkswaggen sized rock.

  We never saw that rock again...

> Is there any better way to do this? And should one be able to remove the
> station-markers in the future when the survey is considered to be finishe=
d?
> Leave nothing but footprints they said..
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> I hope to hear your suggestions and advice!
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> Best Regards
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> Roger Johansson, Bomsund, Sweden
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> =BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB=BB
> Roger Johanssson
> Bomsund 2196
> S-830 76  STUGUN
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> tfn:    0695-311 20
> mob:  070-691 00 22
> roger.johansson@mail.op.se
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> --=20
> Cave-Surveying http://lists.survex.com/mailman/listinfo/cave-surveying
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