That's kind of the feeling I had. There's experienced cavers that know what they're doing, but "professional" (at least in the sense of getting paid to do it)

That's kind of the feeling I had. There's experienced cavers that know what they're doing, but "professional" (at least in the sense of getting paid to do it) isn't really a thing. Kudos to you and the work you and like-minded individuals put into exploring and mapping these systems.