https://manpages.ubuntu.com/manpages/resolute/man7/survex.7.html
Ubuntu Manpage: survex - cave surveying software
cave surveying software
ubuntumanpagecavesurveyingsoftware
https://survex.com/
The Survex Project
project
https://aur.archlinux.org/packages/survex
AUR (en) - survex
auren