encoding  utf-8
survey downstream_speedwell

  input downstream_speedwell.th2
  
  map downstream_speedwellMP
    downstream_speedwellSP1
  endmap
    

#153 = downstream_passage_connection

centreline
data normal from to tape compass clino
extend right
#calibrate compass 4.49
1 153 4.90 358.000 -0.980  #9.90

153 2 11.44 70.010 -4.010  

2 3 12.65 74.980 -5.030  

3 4 13.30 77.230 -3.490

4 13 3.00 149.00 0.00

4 5 12.54 103.280 -4.980 
5 6 18.18 80.830 -2.620  
6 7 14.07 84.700 -2.360  

7 8 11.05 359.500 -2.020  

8 9 17.94 86.980 -3.000  

9 10 13.54 91.480 -1.860  

10 11 10.72 97.010 -1.870  

11 12 24.41 84.490 -3.500 



endcentreline
        
                        
endsurvey