Survex 1.0.31
Copyright (C) 1990-2004 Olly Betts
Survey has no fixed points. Therefore I've fixed doublethink.9 at (0,0,0)

Survey contains 23 survey stations, joined by 22 legs.
There are 0 loops.
Total length of survey legs =  116.50m ( 116.50m adjusted)
Total plan length of survey legs =  104.39m
Total vertical length of survey legs =   39.10m
Vertical range = 39.10m (from blind.10 at 0.00m to blind.11 at -39.10m)
North-South range = 59.58m (from blind.11 at 51.63m to blind.7 at -7.95m)
East-West range = 37.24m (from blind.3 at 9.00m to blind.11 at -28.25m)
cavern.exe: warning: Station `doublethink.9' referred to just once, with an explicit prefix - typo?
   2 1-nodes.
  21 2-nodes.
There were 1 warning(s).
