; Traverse Name:- 	DAREN CILAU - BONSAI (Upstream of Flyovers)                        
; Filename:- 	DCBONSUP.SVX
; Date Surveyed:- 	31st August 1985

; Book:- 		Dave Mills
; Instruments:-	Arthur Millett 
; Tape:- 		Clive Gardener

; Compass No:- 	?
; Clino No:- 	?

; Compiled by:- 	David M Ramsay 

; This data represents a Grade 5d survey with clino & tape
; Survey conducted by members of Chelsea Speleological Society
; Copywrite is held by David M Ramsay and Chelsea Speleological Society

; Specify units of measurement
*Units   length    metres
*Units   bearing   degrees
*Units   gradient  degrees

; Magnetic North to Grid North Correction
; Mag deviation at the time of the survey was -6 deg based on a sighting of
; 24.5  degrees on Llangattock Church

*Equate DCBONSUP.98 DCDRYBLP.98
*Equate DCBONSUP.233 DCBTBLP.33
*Equate DCBONSUP.1042 DCTIME.43
*Begin DCBONSUP
*Calibrate Declination  6    ;???? not recorded, adopt same as last trip

; Notes:- L is in outwards direction in this survey
;         Stn numbers as book less 1000

; From    To      Dist    Comp    Clino   Stn     Left    Right   Up      Down

 201       98      2.55    61      37.5 
 201       202     15.53   327.5  -13 
 203       202     19.25   149.5  -4.5 
 203       204     22.83   321.5   1 
 205       204     19.72   138.5  -4.5 
 205       206     12.18   340.5   2.5 
 ;206 is Crystal Oxbow prime point
 207       206     13.9    123.5  -1.5 
 207       208     21.35   322.5   5.5 
 209       208     18.57   127.5   .5 
 209       210     9.46    332     10 
 211       210     14.21   115.5   9 
 211       212     7.12    287     18.5 
 213       212     17.85   151     7 
 213       214     8.96    330.5   8.5 
 215       214     11.45   144.5   1 
 215       216     11.67   325     6.5 
 217       216     22.32   180     0 
 217       218     7.7     344.5   12.5 
 219       218     12.85   165     1 
 219       220     13.86   356.5   1.5 
 ;need to check where these legs come from
 ;21a       220     15.63   164.5  -2.5 
 ;21a       22a      19.8    359.5  -.5 
 ;23a       22a      6.48    203    -5.5 
 ;23a       224     18.12   358.5  -3 
 
 221	220	15.63	164.5	-2.5
 221	222	19.8	359.5	-.5
 223	222	6.48	203	-5.5
 ;223 marked on wall
 223	224	18.12	358.5	-3
 
 225       224     13.58   144    -14.5 
 225       226     11.29   330.5  -7 
 227       226     10.85   135.5   5 
 227       228     3.92    324     14.5 
 229       228     8.75    149     8 
 229       230     12.56   308    -1.5 
 231       230     3.37    71.5   -19 
 231       232     9.2     352     4 
 233       232     20.77   157    -1.5 
 233	234	4.84	330	39
 ;234 is prime point at junction with high level passages
 
 233	235	14.67	251	5.5
 
 236	235	22.25	131	-1.5
 236	237	9.66	326	3.5
 238	237	8.57	141	0
 238	239	6.4	273.5	-1.5
 240	239	19.08	166.5	-3.5
 240	241	10.48	357.5	7
 238	242	8.55	314	42
 1042	242	6.68	176	-22.5
 ;1042 same as 43 in DCTIME
*End DCBONSUP