survey smallcave -entrance U1
	centreline -cs UTM50
		date 1995.1.1
		units tape feet
		fix U1 275412.06 471587.50 202
		data normal from to tape compass clino left up down right ignoreall
	      U1       U2    26.25     4.00    -1.00     8.20     1.64     3.28     9.84
	      U2       U3    33.96     8.00    -1.00     3.28     1.64     1.64     6.56
	      U3       U4    49.87     6.00     0.00     3.28     1.64     2.30     1.64
	      U4       U5    10.17   275.00     1.00     9.84     3.28     4.92     0.00
	      U5       U6    15.52     5.50     4.00     0.98     4.92     6.56     9.84
	      U6       U7    15.42    36.00   -40.00     0.33     3.28     9.84     9.84
	      U7       U8    41.01    17.00     5.00     4.92    13.12     3.28     6.56
	      U8       U9    17.55    34.00   -16.00     6.56     6.56     9.84     6.56
	      U9      U10    24.44   109.00    -5.00    13.12     9.84     4.92     0.00
	     U10      U11    19.19    42.00     5.00     9.84     3.28     4.92     0.00
	     U11      U12    54.79   113.00     1.00     4.92     4.92     3.28     8.20
	     U12      U13    20.18   174.00    -3.00     3.28     3.28     6.56     8.20
	     U13      U14    13.78    92.00    -4.00     4.92     1.64     3.28     4.92
	     U14      U15    27.56    84.00     0.00     4.92     3.28     3.28     9.84
	     U15      U16    20.18    94.00     8.00     6.56     8.20     4.92     6.56
	endcentreline
endsurvey