encoding  utf-8
survey xx_xxx_data -title "xx_xxx_data"
 
 centreline   
  
  #team ""
  #team ""
  #team ""
  #team ""
  #date 2007.9.2

  units compass clino degrees

  data normal from to length clino compass 
  
    12  13  8 -27 355
    13  14  3.9 -54 300
    13  15  3 0 50
    14  16  12  -68 355
    16  17  12.4  -90 0
    17  18  3.3 -10 285
    18  19  9.2 -90 0
  
  extend start 12
  extend right 13

 endcentreline
endsurvey