encoding  utf-8
survey R11

centreline
cs OSGB:ST
date 1973 11 21
#Source WIS survey book 2 pp78/9

data normal from to compass clino tape ignoreall
units tape feet
#calibrate compass +7.50
calibrate compass -0.63
#altered to allow for automatic mag dev correction

512  524  126.5  4.66  19.4
524  525  167.50  21.0  8.7
525  526  081.50  37.33  8.5
526  527  171.5  33.5  7.7
527  528  -  up  16.7
528  529  026.5  22.16  9.1
529  530  137.00  3.33  11.7
530  531  220.00  72.5  29.0
531  532  074.00  -27.16  2.2
532  533  207.00  5.25  9.2
533  534  262.50  11.0  9.6
#534 Top of stumpy stalagmite on west wall 3' below roof
532  535  129.00  17.0  7.5
535  536  005.00  49.0  34.0

endcentreline
endsurvey R11