; This Survex example file is generated from noweb documentation.

; WOMBEYAN CAVES, NSW
; Sigma Cave (W45), upstream section from the top of `Fallaway Drop' 
; along the streamway to `Knockers Cavern Two'.
; Club: Sydney University Speleological Society
; Surveyors: Mike Lake, Jill Rowling, Geoff McDonnell
; Instruments: Suunto Twin, 30m fibreglass tape (SUSS1) and 8m steel tape 
;              for cross sections.
; Date: 1st November 1997

*begin sigma
*calibrate compass 0.0
*calibrate declination -12.0 
*calibrate tape 0.1 0.95	; Tape is marked SUSS1, stretched by 5%
*data normal from to tape compass clino
*fix 90 1240 3512 700.0		; 1240m East, 3512m North, 700m altitude 

; From  To        Dist (m)  Compass   Elev
85      86        5.42       28       +43
86      87        2.16      0.0       +22
87      88        5.90      343       +1
88      89        3.71       10       -3
90      89        4.3       169       -7 	; back bearing

; Station Descriptions
; 85 = Cusp (lower one) of rock at base of 1st drop.
; 86 = Cusp of rock at apex or corner in passage.
; 87 = Cusp of rock in narrow passage.
; 88 = Cusp of rock 1m above stream bed.
; 89 = Southerly-most end of ridge of rock at waist height.
; 90 = Stalagmite? (dropped pendant?) of rock in muddy chamber.

*equate 88 ext.1

*begin ext  ; Start new extension. Jim did the data ordering differently.
*data normal from to compass clino tape
; From  To      Azim    Clino   Dist
1       2       240     -10     3.0         
2       3       228     -2      2.1
3       4       189     -5      2.9

	; Here the divers did the short connection
	*begin
	*sd compass 5 degrees
	*data diving from to tape compass fromdepth todepth
	; From	To		Dist	Azim	FromDepth	ToDepth
	4       5       0.6     160     0   		0.2 ; estimated leg
	6       5       1       15      0.2 		0
	*end

6       7       100     +10     3.4
7       8       100     +12     2.0
*end ext

*equate ext.8 86

*end sigma