*begin 2414

*begin 2006
;surveyors: Juan, Ian Chandler
;name:
*DATE 2006.04.16
;*CALIBRATE DECLINATION 2.42
; ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
; 11/12/13 - Adjust magnetic declination so centre line
; surveys are aligned to Eur 79 grid rather than True North.
; Applying correction of -0.4 to original magnetic readings in
; Survex aligns to Eur79 grid.
; ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

*CALIBRATE DECLINATION 2.05; (2.45-0.4)

;declination is 2 41' (2.68) for 2004 changing by 8'E per year.
; 2.55 used for 2005
; 2.42 used for 2006
; 2.28 used for 2007
; 2.15 used for 2008
;*FIX 7 452465 4801290 0270; lip of the depression
*FIX 7 452363 4801081 0270; --- *FIX coordinates (usually entrances) changed to ETRS89 datum by applying x-102 and y-209 --- March 2014

;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
;Altitude agrees with new digital maps, March 2014
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
; S entrance altitude @ 263m
*Entrance 5
1	0	8.5	109	20
1	2	2.2	278	15
2	3	6.8	304	16
3	4	16	314	0
5	4	5	149	0
*flags surface
5	6	7.5	331	7
6	7	8	45	45; guess to GPS point
*flags not surface
*END 2006

*BEGIN 2008_Easter
;surveyors: Dave Gledhill Martin Barnicott
;name: 2008 Extensions through excavated hole in entrance depression
*DATE 2008.03
;*CALIBRATE DECLINATION 2.15
; ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
; 11/12/13 - Adjust magnetic declination so centre line
; surveys are aligned to Eur 79 grid rather than True North.
; Applying correction of -0.4 to original magnetic readings in
; Survex aligns to Eur79 grid.
; ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

*CALIBRATE DECLINATION 1.79; (2.19-0.4)

;could some of these be wrong (back bearings?)
*ENTRANCE 08
00 01	03.22	132	+00;
01 02	07.06	355	+00;
02 03	14.00	-	up;
03 04	01.28	330	+02;
04 05	02.05	060	+02;
05 06	01.76	284	+02;
06 07	02.50	020	+02;
07 08	02.10	290	+02;


*data passage station left right up down ignoreall

00	00.52	00.71	04.60	00.57;	tight squeeze
01	01.22	00.35	04.60	00.57;	water falling from roof
02	01.40	01.20	17.00	01.37;	one deviation
03	00.25	00.25	00.35	14.00;	awkward pitch head
04	00.25	00.25	00.35	00.15;
05	00.25	00.25	00.35	00.15;
06	00.25	00.25	00.35	00.15;	liquid mud flat out crawl
07	00.25	00.25	00.35	00.15;	small alcove with small tube going to daylight
08	00.25	00.25	01.30	00.15;	excavated entrance 3 metres left of capped entrance

*end 2008_Easter

*EQUATE 2006.6 2008_Easter.08

*end 2414