*BEGIN 0943_HoyoVerde ;Created from Survey file on Sat,17 Feb 1996.21:52:25 ;Dates surveyed : 930810 ;Surveyors : Juan Joe Benjamin D ;No of stations : 20 ;Plan length : 173.826434m ;Traverse length: 176.7m ;*FIX 0 454460 4798730 0291 *FIX 0 454358 4798521 0291; --- *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 ;+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ *entrance 0 ; +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ; 11/12/13 - Add correcting magnetic declination line so centre ; line surveys are aligned to Eur 79 grid rather than True North. ; Old magdev appears to be 4.05 degrees but should have been 4.2 to ; align to True North. This value is reduced by 0.4 degrees below ; to align to Eur79 Grid North. (4.2-4.05-0.4) ; +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ *CALIBRATE DECLINATION -0.25 0 1 3.00 227.95 -25 ;Stn1/15 1 2 8.80 96.95 -15 ;Stn1/14 2 3 22.50 89.95 -15 ;Stn1/8 marked on paper 3 4 14.70 26.95 15 ;Stn1/9 4 5 4.00 91.95 -3 ;Stn1/10 beyond calcite squeeze 5 6 2.50 19.95 -32 ;* 6 7 12.00 77.95 -4 ;* 7 8 6.40 53.95 -5 ;Stn1/13 dead end - no hope 3 9 16.50 224.95 0 ;Stn1/7 past dig 9 10 21.00 256.95 -1 ;Stn1/6 10 11 17.30 260.95 10 ;Stn1/5 edge of calcite / rubble 11 12 12.20 272.95 7 ;* 12 13 15.00 253.95 2 ;* 13 14 8.00 229.95 -10 ;* 14 15 8.00 326.95 9 ;* 15 16 4.80 310.95 0 ;Stn1/0 wall *END 0943_HoyoVerde