encoding utf-8 survey Long_Vall_Sink centreline cs OSGB:ST # fudge survey by GJM to show cave on output # estimated from sketch in WCC Journal 238 June 1993 date 2010 data normal from to tape compass clino ignoreall LVS 2 5.0 270 -45 2 3 2.0 270 0 3 4 3.0 - up 3 5 10.0 - down 5 6 5.0 270 -30 station LVS "" entrance fix LVS 48580 55480 207 endcentreline endsurvey Long_Vall_Sink