; Dowbergill Passage, Stalagmite Corner to Upstream Sump, 12/12/09 ; Surveyors: Becka Lawson (RL), Patrick Warren (PBW) ; Instruments: RL tape & tandem, RL reading tandem, PBW notes. ; Part resurveyed PBW and Steve Warren (SEW) 21/3/2010 ; All station marking done with erasable 'liquid paper' ; Providence Pot: 54.1518, -2.0136 = N 54° 9' 7", W 2° 0' 52" ; Magnetic declination = 2° 52' W = 2.87 (Dec 2009) ; from http://www.ngdc.noaa.gov/geomagmodels/struts/calcDeclination ; was originally called PPot5.svx *begin dgp8 *export 1 18 *calibrate declination 2.88 *data normal from to tape compass clino ; sheet (2) 1 1a 0.95 - down 1a 1b 3.00 181 0 *flags duplicate 1 2 7.00 338 +4 2 3x 2.36 352 +7 ; questionable whether the length is correct - maybe more like 5m ! 3 4 8.85 335 -5 4 5 8.96 322 -5 *flags not duplicate 5 6 6.54 324 +9 6 7 7.04 001 +14 7 8 3.41 330 +33 ; sheet (4) 6 9 4.01 - down 10 9 1.05 115 +38 10 11 6.01 339 -8 11 12 9.18 337 +3 12 13 6.46 342 -8 13 14 4.04 269 +7 14 15 9.90 333 -3 15 16 1.86 329 +1 16 17 7.33 036 -3 17 18 3.85 052 +8 ; 19 18 10.77 300 -22 ; patrick commented out this line, 21/3/10 ; 1--5 centreline resurved, 21/3/2010, PBW + SEW ; Instruments: PBW tape + tandem, PBW reading, SEW notes *calibrate declination 2.83 1 1na 13.00 342 +3 1na 1nb 12.80 343 -5 1nb 5 7.17 320 +4 *data passage station left right up down ; sheet (1) 1 2.2 0 1.3 1.2 ; marked (white dot + number), high on wall opposite diving line tie off ; ; station 1a is upstream sump water level ; ; station 1b is estimated start of flooded passage 2 1 1.3 2 1.7 3 2.5 0 3 2.5 4 2 1.5 0.8 2.2 5 5 1.2 3 3 ; marked (white dot + number), on top of random boulder in big chamber 6 3.5 2.5 2 5 ; marked (white dot + number), on wall above 2.5m climb up from stream 7 1.4 0 3.5 1.0 ; down illegible, done from memory 8 1 0.5 2 0 ; down illegible, from memory; station at base of dribbly loose aven ; sheet (3) 9 1.3 0.5 5 1.5 ; base of 2.5m climb up from stream 10 0.8 0.5 1 1.2 11 0.2 1 2 0.8 12 0.4 0.8 1.9 1.9 13 1.0 0.1 1.3 1.6 14 1 1 2 1.7 15 0.7 3 3 1.7 16 0.3 3 2.2 1.6 17 2.5 2 1.8 1.4 18 1 2 2.3 2 ; marked (white dot only), on top of spike boulder opposite crawl entering from PP *end dgp8