*begin 2638_BogHole

*DATE 2007.04
;*CALIBRATE DECLINATION 2.28
; ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
; 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 1.92; (2.32-0.4)

;*FIX entr 452147 4800844 0230
;*FIX entr 452045 4800635 0230; --- *FIX coordinates (usually entrances) changed to ETRS89 datum by applying x-102 and y-209 --- March 2014

*FIX entr 452045 4800635 0238
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
;Altitude altered to agree with new digital maps, March 2014
;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

*ENTRANCE entr
1	0	5.1	115	-19
2	1	5.1	90	-.5
3	2	4.6	34	4
4	3	11	13	1
5	4	22.4	98	-1.5
6	5	10.3	114	8
7	6	6.2	107	-8
8	7	4.7	34	7
9	8	3.7	81	-44
9	entr	7.5	-	+V

A	7	4.3	180	-12
B	A	10.7	96	-1.5

Z	7	5.6	89	12
Y	Z	6.6	109	-3

;070412
;Paul Gelling Harry Long

6	61	1.4	-	-V
61	62	9.2	108	-12
62	63	10	105	-1
63	64	13.8	98	2
64	65	3.9	18	-4
65	66	6	355	-1
66	67	6.8	47	4
67	68	9.1	99	-5
68	69	13	4	-3
69	70	4.3	38	-5
71	70	4.9	282	-2
71	72	15	75	0; no clino - back of chamber
*end 2638_BogHole