Expedition Statistics

47 expeditions: 354 people, 518 caves and 1,958 logbook entries.

Number of survey legs: 28664
Total length: 188.6 km adding up the total for each year.

These are uncorrected tape lengths which include pitches and duplicates but exclude splays or surface-surveys.

This is work in progress (April 2022).

YearSurvex
Survey
Blocks
Survex
Survey Legs
Total length
(m)
1976 1 0 0
1977 4 3 70
1978 2 0 0
1979 0 0 0
1980 4 55 468
1981 1 59 304
1982 17 247 1,966
1983 20 473 4,304
1984 8 109 712
1985 10 280 2,000
1986 0 0 0
1987 10 94 570
1988 9 114 1,099
1989 27 421 3,410
1990 38 368 2,785
1991 32 576 4,158
1992 37 426 2,652
1993 18 463 3,409
1994 20 527 3,405
1995 21 437 3,607
1996 72 999 7,289
1997 39 590 3,887
1998 23 186 1,247
1999 85 1,187 8,531
2000 78 568 4,003
2001 59 767 4,813
2002 35 510 3,437
2003 62 956 6,196
2004 72 915 6,041
2005 73 937 6,189
2006 60 550 3,302
2007 118 1,532 10,027
2008 43 620 3,845
2009 43 638 3,933
2010 34 503 3,275
2011 60 1,027 7,052
2012 77 803 4,896
2013 44 603 4,098
2014 72 1,029 6,306
2015 93 1,443 8,765
2016 72 1,333 9,715
2017 73 1,333 8,978
2018 101 2,920 14,990
2019 29 1,005 5,669
2020 9 186 1,524
2021 8 101 1,020
2022 53 771 4,670

One Survex Survey Block is one *begin/*end block of data in a survex file. Some files from other caving clubs may have a convention of using many more blocks per file than we do, e.g. if the file is exported from other software into survex format.