encoding  utf-8
survey MidnightChamber -title "Midnight Chamber"

  centreline
    team "Ben Cooper"
    team "Paul Craddy"
    date 2000.03.29
    units clino compass degree
    units length meter
    walls on
    flags duplicate
    #declination -4.117 deg # 4deg 7min West 51.2987N 2.71038W  2000.03.29
    #declination -3.57 deg	#Allign to grid, Grid North +0.55 deg
    declination -3.578 deg # 2000.03.29 to Grid North http://www.geomag.bgs.ac.uk/gifs/wmm_calc.html  Oct 2011 
    
    data normal from to compass clino length left right up down
     # 1				1.2	0	3	1.3
     1   2  	125.5	-18	7.75	1.08	1.85	0.7	1.0
     2   3  	170.2	-8.3	3.73	0.59	1.1	1	1
     3   4  	172	-10.2	9.05	0.95	1.2	1.5	0.6
     4   5  	185	5	4.87	1.8	0	0.5	0.7	
     5   6  	165	-1	7.97	0.3	1.4	0.5	0.75
     6   7  	207	5	3.27	0.7	0.7	0.8	1.1
     7   8  	182	-3	7.92	1.2	1.3	1.5	0.8
     8   9  	263	2.5	3.35	0.65	0	0.8	1.05
     9	10	286	-1	8.29	1.5	2	1.5	0.9
    10	11	266	-2	10.05	3	1.2	0.47	0.5
    data normal from to compass clino length 
	11	11d		105	-5	8				# estimate added in 2012 for Chocolate Muffin Dig
    data normal from to compass clino length left right up down
    11	12	236.5	3	4.83	0	1	1	1     # no LRUD data
  endcentreline
endsurvey