;Cave: Herbert's Hole - upstream passages & inlets ;Surveyors: Hugh St.L (book) Paul Swire (instrs) ;Date: 11/04/08 eve ;Instruments: RRCPC Suunto, kit3 *begin her4 *export 001 *calibrate compass +5.37 001 002 01.50 041 -21 ;stn001= is spike of rock at junction, stn.006 on her3.svx 002 003 02.40 - DOWN 003 004 00.45 305 0 ;sideways adjsutment for a few inches to get down rift! 004 005 02.40 214 -41 ;continues too tight but visible 004 006 06.20 040 +51 ;main rift to platform 006 007 00.95 228 -4 007 008 01.70 145 +16 ;through connecting window into parallel rift 008 009 01.20 081 -14 009 010 00.80 161 -36 010 011 01.70 051 +1 011 012 01.40 018 -9 012 013 02.10 030 +19 013 014 02.50 065 +22 014 015 01.85 034 +44 ;stn15 = junction 015 016 02.20 137 +12 ;base of large choke in right hand branch 015 017 01.20 010 +1 017 018 01.80 - UP ;head height choke rises ahead 008 020 01.30 195 -7 020 030 01.00 117 +23 ;into other inlet 030 031 03.70 070 +60 ;up steep tube 031 032 02.00 290 +45 ;estimated length up tight tube 020 002 02.50 246 -37 ;ties loop back to stn2 *end her4