survey Upstream centreline date 1955.07.21 copyright UBSS 2008 units tape feet calibrate compass +12 #representing mag var in 1955 #Source Blue Hardbound book in UBSS Library #"UBSS Gragan West Cave Discovered July 20 1955" #Typed in by Graham Mullan 7th July 2008 #From to bearing distance height width data normal from to compass tape ignoreall 0 1 304 66 4 6 #0 is station 1 of downstream survey 1 2 324 66 4 2 3 343 37 4 3 4 012 24 4 4 5 333 31 6 3 5 6 334 27 6 3 6 7 360 20 7 3 7 8 294 31 7 3 8 9 260 24 7 3 9 10 323 34 floor rises 1' 10 11 001 29 7 10 T1 015 180 5 2 peters out in 2 tribs too tight to follow #Added by GJM reason Tributary 1 from Blue Book 11 12 327 55 7 Trib L bearing 265 not passable # much stal flow 12 13 286 26 5 3 floor rises 1' canyon passage # V small trib L. 13 14 328 24 5 3 14 15 290 44 6 15 16 310 30 6 2/4 16 17 008 32 6 6/3/4 17 18 330 19 7 3 canyon passage with shelves 18 19 020 21 7 3 19 20 342 18 7 3 20 21 328 30 7 3 21 22 002 39 7 22 23 051 33 8 3 slip off slope on inside of bends #evidence of flooding to 4' deep 23 24 011 22 8 3 24 25 358 15 10 3 small helictites 25 26 009 17 10 3 meandering canyon passage 26 27 023 54 10 3 follows c. vein 27 28 027 22 10 28 29 030 28 10 2/2/3 29 30 358 14 10 2 small trib R 30 31 328 10 10-12 2 31 32 028 42 12 2 32 33 006 17 12 1-2 high jagged canyon passage 33 34 020 12 12 1-2 on c. vein 34 T2 020 360 15 1 splits into two at end both too tight #Added by GJM reason Tributary 2 from Blue Book 34 35 329 24 12 2 high narrow trib R T2 at 34 35 36 022 24 12 3 widens slightly as oxbow #leaves & rejoins after 6' 36 37 012 19 12 1-2 37 38 326 12 12 1-2 38 39 007 22 39 40 346 21 40 41 349 21 41 42 023 45 along vein 42 43 036 19 12 1-2 43 44 022 54 curtains 44 45 018 43 many stals & straws 45 46 014 10 10-12 2 46 47 028 9 47 48 009 19 10 1-2 48 49 348 12 49 50 021 17 10-12 2 roof about 9" across 50 51 358 6 51 52 023 16 52 53 009 29 10-12 2 53 54 012 18 54 55 071 12 "straws & cutthroat" 55 56 021 9 56 57 080 6 57 T3 070 330 40yds up is RH inlet too tight #LH is approx 6' x 1.5' and can be followed 70yds when it splits & becomes too tight #Added by GJM reason Tributary 3 in 57 58 048 10 Large trib T3 on R at 57 58 59 061 6 59 60 016 10 60 61 030 11 12 1-2 61 62 335 18 Floor goes up 2' 62 63 019 8 10 1-2 63 64 342 7 64 65 014 14 65 66 030 14 66 67 027 8 67 68 016 16 10 1 68 69 030 16 69 70 034 22 70 71 013 16 10 1-2 good formations 71 72 002 9 72 73 024 14 10 1-2 73 74 356 11 passage partially blocked #by stalagmite barrier 74 75 002 6 75 76 330 9 Fine 3' straw 76 77 002 8 77 78 331 6 Roof meanders 1' deep 78 79 313 11 Floor rises 2' 79 80 350 8 8 1-2 80 81 022 26 81 82 358 8 Rof has stopped meandering 82 83 027 8 8 1-2 83 84 005 16 84 85 030 12 85 86 001 20 Stal barrier climb over high R #short dry passage with ???? 86 87 030 6 #Crawl over thin calcite covering soft mud 87 88 325 24 #88 is entrance H1 entrance 88 fix 88 reference 119170 203420 250 endcentreline endsurvey