*begin CrescentPot *export entrance ;Title: Crescent Pot ;Date Created 16/06/2013 by Becka Lawson ;All Crescent Pot files *cs UTM30 ;*cs OSGB:SD *cs out EPSG:27700 *DECLINATION AUTO 535699 6004167 393 ; 535699 6004167 on OsmAND or 535701 6004167 on CoMaps or 535688 6004167 on Gaia - used previous altitude which looks consistent with contours *fix GPS 535699 6004167 393 ; GPS repeated 2026.06.10 when doing crescent-ent survey (needs *cs UTM30) ; *fix GPS 70545 76594 393 ;OLD GPS for crescent_1.svx file (needs *cs OSGB:SD)- to peaty "step" near top of shakehole, just above steps - entrance GPS by Becka with Becka's Etrex Venture GPS read to 3m accuracy on 16 June 2013 *equate GPS crescent-ent.gps ; *equate GPS crescent_1.gps *ENTRANCE entrance *equate entrance crescent-ent.4 ; phanger for 1st pitch (not the backup phanger) ; *equate entrance crescent_1.2 ; REPLACE BY CRESCENT-ENT ;*include crescent_1 ; data dubious - vertical range too great and compass on final legs looks out - crescent-ent (and crescent24may-ent-to-dig-chamber) duplicate these legs to check them *include crescent_2 *include crescent_3 *include crescent_4 *include crescent_5 *include crescent24may-above4thpitch *include crescent24may-ent-to-digchamber ; notes for inlet otherwise only centreline *include crescent-ent ; repeat survey of crescent_1 to check dodgy reading and to get proper tie in for inlet in crescent24may-ent-to-digchamber *equate crescent-ent.23 crescent_2.2 ; *equate crescent_1.14 crescent_2.1 ; replace crescent_1 with crescent-ent *equate crescent_3.10x crescent_2.10 *equate crescent_3.8 crescent_2.2-1 *equate crescent_3.8 crescent_4.8x *equate crescent_4.25 crescent_5.25x *equate crescent_2.12 crescent24may-above4thpitch.1 *equate crescent_2.2-34 crescent24may-above4thpitch.6 *equate crescent_2.2-15 crescent24may-above4thpitch.28 *equate crescent_2.2-6 crescent24may-above4thpitch.41 ; *equate crescent-ent.4 crescent24may-ent-to-digchamber.3 ; tie in at initial phanger *equate crescent-ent.10 crescent24may-ent-to-digchamber.7 ; tie in to previous station at start of inlet above 2nd pitch ; *equate crescent-ent.8 crescent24may-ent-to-digchamber.8 ; tie in at backup phanger for 2nd pitch except unclear if ent.8 really was to the backup phanger ; *equate crescent-ent.17 crescent24may-ent-to-digchamber.19 ; tie in to old numbered station 11 from crescent_1 survey ... but the digchamber survey may have some dodgy legs so comment this out for now ; REPLACE crescent_1 BY CRESCENT-ENT ;*equate crescent_1.11 crescent-ent.17 ; tie in to old numbered station 11 from crescent_1 survey ; *equate crescent_1.11 crescent24may-ent-to-digchamber.19 ; tie in to old numbered station 11 from crescent_1 survey ... but the digchamber survey may have some dodgy legs so comment this out for now ; comment out these lines (using reconstructed centreline from Preston survey) once resurvey complete *flags duplicate *INCLUDE Crescent-Recon1 ; this is reconstructed centreline for Preston 1974-1979 survey taking their "Grid North" arrow at face value ; *INCLUDE Crescent-Recon1-AddSomeDegreesCW ; this is reconstructed centreline for Preston 1974-1979 survey but assuming they ; mistakenly subtracted (rather than added) the approx -8 degree declination for their survey when they drew up their plan ;*EQUATE crescent_5.26 Crescent-Recon1.path8.33 *EQUATE entrance Crescent-Recon1.path9.40 ; *EQUATE entrance Crescent-Recon1-AddSomeDegreesCW.path9.40 *end CrescentPot