This file is generated by troggle using the form documented at the form documented at handbook/survey/caveentry.html
False Hutforscherhöhle 1626 197 ARGE-or-VfHO 1626-197 caves-1626/197/197.svx ARGE-or-VfHO cave.
3 lines of the survexfile, then all the *begin lines:

*begin 197
*begin Hutforscherhoehle
*begin 1

*begin 2
*begin 3

This is (probably) an ARGE or VfHO cave where we only have the survex file and no other information