survey nahown
centreline
#Holdign file to make the directry tree hold cave/Area names in Aven when using
#compass .mak and .plt files
#Created Andrew Atkinson 2008.0627


##NAHOWN.DAT,477[m,11640.00,2740.00,213.00]
fix 477 111640.00 202740.00 213.00
entrance 477
input nahown.dat


endcentreline
endsurvey