Survex 1.1.12
Copyright ¸ 1990-2007 Olly Betts
Survey has no fixed points. Therefore I've fixed mainchamber.mainchamber1.026x at (0,0,0)

Survey contains 57 survey stations, joined by 58 legs.
There are 2 loops.
Total length of survey legs =  308.18m ( 308.08m adjusted)
Total plan length of survey legs =  255.73m
Total vertical length of survey legs =  111.05m
Vertical range = 58.70m (from mainchamber.mainchamber1.026x at 0.00m to mainchamber.mainchamber1.042 at -58.70m)
North-South range = 53.25m (from mainchamber.mainchamber1.011 at 6.71m to mainchamber.mainchamber1.037 at -46.53m)
East-West range = 60.82m (from mainchamber.mainchamber1.026x at 0.00m to mainchamber.mainchamber1.042 at -60.82m)
   9 1-nodes.
  38 2-nodes.
   9 3-nodes.
   1 4-node.