encoding utf-8 survey BZA_Pony # Worsening SAP calibration, reflected in compass SD centreline units clino compass degree units length meter instrument length "Ben's Bosch DLE50 laser rangefinder" instrument compass "Ben's SAP #7" team "Ben Cooper" team "Mike Richardson" date 2008.01.10 #declination -2.924 deg # BGS at 2008.06.13 51.2987N -2.71038W 0.2km 2010 Model. Updated Nov 2011 # http://www.geomag.bgs.ac.uk/gifs/wmm_calc.html declination -2.371 deg # Allign to grid, Grid North +0.5535 deg sd length 0.75 centimeter sd compass 3 degree sd clino 1 degree flags approx # Poor SAP calibration, reflected in compass SD data normal \ from to length compass clino left right up down # Start is 41@FullLRUD flags duplicate 20 START 3.76 162 -18 [4.0 3.3] [1.1 0.8] [6.4 0.4] [1.2 0.4] # 20-START flags not duplicate mark 20 fixed # Zebra Aven station 20 "BZA20: fixed 5mm hole; rawlplug; brass screw; reflector placed 10/1/2009" attr print "true" attr Code "fixed" attr Name "BZA20" 20 21 8.96 137 +01 0.9 0.9 8.0 1.5 # 21 station 21 "Zebra Aven, climbed" continuation attr aven "9" attr name "Zebra Aven" attr climbed "Joel?" 21 22 4.78 148 +02 1.1 0 8.0 1.7 # 22 22 23 3.35 128 +19 0.7 0 8.8 1.6 # 23 23 24 5.76 127 +11 0 0.8 5.0 2.9 # 24 24 25 2.52 124 -17 0.4 0 5.5 2.0 # 25 25 26 4.42 141 +29 0.8 0.8 4.5 2.9 # 26 on top of flake at y junction # RH rift (rises up and doubles back to high level tube) 26 27 1.59 165 +20 0.6 0.4 5.6 0.4 # 27 up into RH rift 27 28 4.32 126 +42 0.2 0.2 5 2.4 # 28 28 29 2.61 159 +53 0 0.4 4.2 3.3 # 29 29 30 1.54 135 +03 0.8 0.4 4.0 0.3 # 30 Rim of Crystal Pool 30 31 3.2 144 +0 0.3 0.3 4 0.3 # 31 Across Crystal Pool Est LRUD station 31 "Crystal pool (never entered)" continuation attr Name BZA31 #32 29 2.35 135 -29 [0.4 0] 0.7 4.6 5.3 # 32 on roof of side tube. LRUD relates to rift 29 32 2.35 315 +29 0 0.7 4.6 5.3 # 32 reversed 32 33 1.28 238 -22 [0.5 0] [1.2 0.8] [0 0.6] [0.6 0.6] # 32-33 into side tube # 250Kg rock crashes down below Mike onto surveying box 5m below 33 34 1.37 303 +22 0.3 0.2 0 0.6 # 34 34 35 6.6 275 +06 0.3 0.2 0 0 # 35 End of tube. Diggable. station 35 "Mud filled tube. Dig started 2011" continuation dig attr dig "dig" attr Name "MudOut" attr LR "left" 32 36 1.17 314 -26 0 0.5 4 5.8 # 36 on floor of tube for view down rift data normal \ from to length compass clino 36 27 5.67 333 -73 # close loop with station below data normal \ from to length compass clino left right up down 36 37 4.11 078 +11 [0 0] [1.2 1.3] [0.9 0.5] [0.8 0.5] # 36-37 Across rift to continuation of tube 37 38 0.8 112 -01 0 1.3 1.5 1.5 # 38 further along LH wall with view down drop 38 39 7.77 113 -62 0 0.6 6.5 0.8 # 39 at bottom of LH rift # LH rift 26 40 5.91 114 -03 0 1.3 1.9 1.0 # 40 Another y junction 40 39 3.64 134 +04 0 0.6 6.5 0.8 # 39 Loop closure 39 41 2.38 161 +10 0.2 0.2 6.5 0.8 # 41 Est LRUD # Worsening calibration sd compass 4 degree 40 42 2.91 067 +12 [2.7 1.3] 0.8 1.5 0.5 # 42 along main route 42 43 7.78 121 -04 1.1 1.3 0.5 5 # 43 start of low section 43 44 4.53 124 -03 0 1.3 1.9 0.9 # 44 end of low section 44 45 3.47 148 -13 1.3 0 9.0 1.1 # 45 station 45 "Aven: climbed 3/12/2011 Kev Speight to tube continuation" attr Name "AWOL Aven" continuation attr aven "9" attr climbed "Kev Speight 3/12/2011" explored 40 45 46 8.22 148 -34 0 0.9 6.0 1.0 # 46 46 47 9.88 132 -02 0.1 0.2 1.3 1.3 # 47 47 48 5.7 133 -04 0.5 0 0.3 1.0 # 48 lip of second side tube 48 49 5.87 143 -10 0.1 0.1 1 0.5 # 49 into closing down rift station 49 "Too narrow rift" continuation attr Name "BZA49" # First side tube (blind, but diggable) flags duplicate data normal \ from to length compass clino 47a 47 1.67 136 -24 # 47a lip of first side tube flags not duplicate data normal \ from to length compass clino left right up down 47a 47b 2.21 188 -09 [0.7 0.3] [0.2 0.3] [0.3 0.1] [0 0.1] # 47a-47b 47b Est LRUD Diggable # Worsening calibration sd compass 5 degree # Second side tube 48 50 4.19 245 -07 [0 0] [1.1 1.1] [0.2 0.5] [0.4 0.2] # 50 lh wall inside tube 50 51 2.98 218 -06 0.6 0 0.2 0.5 # 51 rh wall 51 52 3.35 235 -08 0.2 1 0.0 0.3 # 52 52 53 3.43 271 +0 0.9 0 0.1 0.5 # 53 Very muddy tube 53 54 2.24 243 -05 0.9 0.8 0 0.4 # 54 54 55 3.63 165 -15 0.9 0 0.3 0.3 # 55 55 56 1.46 123 -15 0 0.7 0.3 0.3 # 56 56 57 1.20 240 -01 [1.1 1] [0 0] [0.3 0.2] [0.3 0.2] # 57 on very corner before squeeze 57 58 4.65 254 -01 0 1 0.3 0.3 # 58 lh wall beyond squeeze #58 59 5.0 304 +08 0.5 0.5 0 0.3 # 59 into rh side tube 58 59 5.0 314 +08 0.5 0.5 0 0.3 # 59 added 10 deg est! 58 60 2.62 235 -18 2.0 0 0.7 0 # 60 on RH corner, start of x-rift 60 61 2.38 172 -14 2.0 0 0.6 0.6 # 61 on RH corner just across x-rift #60 61 2.38 192 -14 2.0 0 0.6 0.6 # 61 added 20-deg est. mark 61 fixed # Far East Tube. Fixed 10/1/2009 station 61 "BZA61: fixed 5mm hole; rawlplug; brass screw; reflector. Fixed 10/1/2009" attr print "true" attr Code "fixed" attr Name "BZA61" flags duplicate # re-surveyed (Muddy Hell) 61 62 6.5 182 -08 0.3 1 0 0.3 # 62 SUMP Est LRUD station 62 "Very low with muddy sump" continuation dig attr Name "BZA62" 61 63 3.19 107 +07 0.5 0.5 0 0 # 63 Filled tube, Diggable. station 63 "Mud filled tube, diggable" continuation dig attr Name "BZA63" flags not duplicate 61 64 4.75 007 +06 [0 1] [1.0 0] [4 1.3] [1 1.6] # 64 on rh wall 64 65 1.6 260 -09 0.5 0.4 0.4 1.4 # 65 into LH side passgae 65 66 6.0 306 +22 0.5 0.5 1 2 # 66 into narrow rift station 66 "Narrow rift" continuation dig attr Name "BZA66" attr LR "left" 64 67 2.78 313 +01 [1 0] [0 0.5] [5 2] [1.6 2] # 67 Blind aven climbed Ben Cooper on previous trip (Nov 2008) station 67 "Blind aven climbed by Ben Cooper" continuation attr aven "5" attr climbed "Nov 2008" attr name "BZA67" 67 68 3.89 343 -07 0 0.3 3 1.4 # 68 68 69 6.41 001 -04 0.5 0 4 1.0 # 69 on edge of Deep Pool 69 70 9.3 291 -06 0.5 0.2 4 0.3 # 70 Across water to end, Est LRUD endcentreline endsurvey