survey BPGeast13 centreline flags duplicate #Cave:Poulnagollum #Survey Name: #Description:POLLNAGOLLUM# BRANCH PASSAGE GALLERY EAST #Survey of tributary on right facing upstream from station 90 of 1957 survey. #Location: The County Clare #Country:Rep of Ireland #People - #Date: #Instrument Set: #Calibration: #Typed in by Simon Flower on #Adjusted for computing by Andrew Atkinson, 2001 #Source: UBSS 1958-I {red circled A in top right hand corner} #The Middland Series Excercise Book # data normal from to length bearing ignoreall units tape feet calibrate tape +11 #see below calibrate compass +14 #Bearings have had 14 taken off ie +14 would read zero #Page 12 # #Note: In 1957 account of exploration of BPG this junction is described in such #terms as to indicate that water flow from the passage, BPG East, and BPG, West #are appropriately equal. This is apparently incorrect. A fresh description #covering this point is required 5/11/58 #Page 13 # #Bearings and distances are from staion n-1 to station n. #NB first column added for computing #Cross sections are at ataion n. #Subtract 11 feet from each distance # 90 R1 29 56 [PICTURE] Same roof as BPG R1 L2 37.5 12 Breakdown of walls because of stream undercutting L2 R3 47.5 48 Good canyon passage, getting higher (7.5'), with # a moonmilk floor. There is a small stream which # has slight meanders. Most fossils are # corals but there are a few productids R3 L4 24.5 53 8' high L4 R5 16.25 69 [PICTURE] # #Page 14 # R5 L6 24 38 L6 R7 19.25 87 Passage wider because of wall breakdown, some # largish formations on the shattered # blocks. 6'wide 8' high. R7 L8 38.5 28 Narrow again (2'6") L8 R9 18 66 Soft stal. flow stone on walls. R9 R10 44.75 31 [PICTURE] R10 L11 60.5 20 Very fine straws (transparent). More wall breakdown. # Fever rises. Roof keeps fairly level. [PICTURE] L11 R12 18.25 61 Small trib left at roof height. Left wall v.shattered. R12 R13 39 21 [PICTURE] R13 L14 40 350 [PICTURE] L14 R15 31 30 Calcited rock barrier R15 L16 45.25 348 L16 R18 20 335 Roof crack opens up. Stal flow and moonmilk everywhere # [PICTURE] R18 R19 19.5 21 " R19 L20 59 342 [PICTURE] L20 R21 51 14 Bouldery floor rising, passage 4' high. Much wall breakdown. # #Page 16 # R21 L22 40.5 343 Aven in roof, 15' high, blocked by boulders, with a draught # going up. L22 R23 29 356 [PICTURE] R23 L24 28 342 Dry blocked trib left. L24 R25 24.5 20 [PICTURE] R25 R26 54 1 [PICTURE] R26 R27 56.75 347 Small aven R. Doesn't go. R27 L28 35 330 Small trib L. wall breakdown. L28 R29 28 2 Fine [EURATIC?] R29 R30 34 328 Broken moonmilk false floor. R30 L31 45 335 Small trib left at roof height. L31 R32 24 80 shale shingle floor, no more moonmilk [PICTURE] # #Page 17 # R32 L33 29.75 16 L33 Centre34 22 25 stalagmite barrier # #Bearing onwards 341 degrees. Bedding plane entered for 10 body lengths and is #covered with straws. appears to go on very low. Graffiti on stal barrier. # #Total surveyed Length (corrected) 710.75 feet. #(The roof form as shown in sections suggests formation by development along a #single channel in the original bedding plane, first stage, development - 5/4/58) endcentreline endsurvey