This file is generated by troggle using the form documented at the form documented at handbook/survey/caveentry.html
False Mittereckhöhle 1626 7 ARGE-or-VfHO 1626-7 caves-1626/7/7.svx ARGE-or-VfHO cave.
3 lines of the survexfile, then all the *begin lines:

*begin 7
*begin Mittereckhoehle
*begin 10

*begin 11
*begin 12
*begin 14
*begin 15
*begin 16
*begin 17
*begin 18
*begin 19
*begin 2
*begin 3
*begin 4
*begin 5
*begin 6
*begin 7
*begin 8
*begin 9

This is an ARGE cave where we only have the survex file and no other information