encoding  utf-8
survey R12

centreline
cs OSGB:ST
date 1974 02 13
#Source WIS survey book 2 pp79/80

data normal from to compass clino tape ignoreall
units tape feet
#calibrate compass +7.33
calibrate compass -0.7
#altered to allow for automatic mag dev correction

534  537  027  8.33  3.4
537  538  177  6.25  9.6
538  539  -  up  8.7
539  540  104  12.66  2.6
540  541  172  27.83  18.4
541  542  049  21.25  5.5
542  543  201  30.16  22.6
543  544  189  25.33  10.4
544  545  203  30.5  76.7
545  546  289  53.33  4.8
546  547  179  58.66  34.4
547  548  282  3.83  11.8
548  549  162  21.33  23.9
549  550  008  30.5  1.7
550  551  213  58.83  50.1
551  552  207  24.33  20.2
552  553  199  -16.0  22.3
#553 top of broken stalagmite on W edge of path by pseudo cave pearls

endcentreline
endsurvey R12