To me, it looks like that tree at 20 seconds has been gnawed on by a beaver. However, at around 15 seconds, could that be part of a foot print with the cracked branch?
(modsnip)
If nothing else, it shows that Libby had been out and about in this area before, and probably felt pretty comfortable walking around there even though it looks secluded to the rest of us. A lot of geocache owners go out to do maintenance on their caches as well, especially if they're...