This file is generated by troggle on July 12, 2024, 10:16 p.m. UTC using the form documented at the form documented at handbook/survey/caveentry.html
False 1626 275 ARGE 1626-275 caves-1626/275/275.svx ARGE cave.
3 lines of the survexfile, then all the *begin lines:

*begin 275
*begin Hauptgruppe
*begin 1

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