; WOMBEYAN CAVES, NSW ; Sigma Cave, upstream section from the top of "Fallaway Drop" at the end of ; "Gamma Grovel" (which is the far end of the Pointed Finger chamber) then ; along the streamway to "Knockers Cavern Two". ; Club: Sydney University Speleological Society ; Surveyors: Mike Lake, Jill Rowling, Geoff McDonnell, Ashley Karr, ; Kate Wingrove, David Wingrove. ; Instruments: Suunto Twin, 30m fibreglass tape and 8m steel tape ; for cross sections. ; Date: 1st November 1997 *begin \mycave *calibrate tape 0.0 *calibrate declination 0.0 *fix 90 0.5 2.0 0.0 ; Original values ; From To Dist (m) Bear Elev ;86 85 5.42 328 +43 ;87 86 2.16 0.0 +22 ;88 87 5.90 343 +1 ;88 89 3.71 180 -3 ;90 89 10.3 69 -7 ; Modify these values from the above for testing ; From To Dist (m) Bear Elev 86 85 5.42 348 +43 87 86 2.16 20.0 +22 88 87 4.90 333 +1 88 89 3.71 190 -3 90 89 10.3 59 -7 ;88 88a 7.18 10 +44.5 ; bear +/- 5 ; did a dicey climb up into chamber ;88b 88a 3.6 225 -55 ;88b 88c 7.3 82 +43 ;88b 88d 2.84 92 +37 ;88b 88e 3.08 62 +39 ; Station Descriptions ; 84 = Cusp of rock on edge of drop; flagged "84". ; This is at the end of Gamma Grovel and starts the Creek section. ; 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. ; 88a = Stalactite in high level passage. ; 88b = Top boulder in rockpile. ; 88c = Far mud wall; end of chamber. ; 88d = Right wall. ; 88e = Left wall. ; 90 = Stalagmite? (dropped pendant?) of rock in muddy chamber. *end \mycave