survey bpsurf -title "Birthday Cave to Pirate Cave, Surface Survey"
	centreline -cs UTM50
		fix A2 270822.73 466066.98 131.12
		date 1996.11.28
		units tape feet
		data normal from to tape compass clino left up down right ignoreall
		flags surface
	      A2      BP1    25.59   185.00    49.00     0.00     0.00     0.00     0.00  #|L#
	     BP1      BP2    27.56   284.00     7.00     0.00     0.00     0.00     0.00  #|L#
	     BP2      BP3    53.81   275.00    -0.50     0.00     0.00     0.00     0.00  #|L#
	     BP3      BP4    25.59   189.00     3.00     0.00     0.00     0.00     0.00  #|L#
	     BP4      BP5    40.03   275.00   -24.00     0.00     0.00     0.00     0.00  #|L#
	     BP5      BP6    97.77   106.00   -17.00     0.00     0.00     0.00     0.00  #|L#
	     BP5      BP7    17.39   318.00    21.00     0.00     0.00     0.00     0.00  #|L#
	     BP7      BP8    45.60   242.00   -38.00     0.00     0.00     0.00     0.00  #|L#
	     BP8      BP9    49.21   245.00   -24.00     0.00     0.00     0.00     0.00  #|L#
	     BP9     BP10    37.73   146.00   -24.00     0.00     0.00     0.00     0.00  #|L#
	    BP10     BP11    42.16   226.00     3.00     9.84     6.56     1.64     9.90  #|L#
	    BP11     BP12    84.65   171.00     3.00     9.90     9.90     6.56     3.28  #|L#
	    BP12     BP13    56.10    87.00    17.00     8.20    22.97     6.56     0.00  #|L#
	      R1     BP12    62.34    51.00     5.00     0.00     0.00     0.00     0.00  #|L#
	endcentreline
endsurvey