See inside a Minnesota bat cave


Mark White
1 Mark White 
Bat entrance
2 Bat entrance 
Stalactites
3 Stalactites 
Mystery cave
4 Mystery cave 
Turquoise Lake
5 Turquoise Lake 
Cave entrance
6 Cave entrance 
Little brown bats
7 Little brown bats 
Fossil marks
8 Fossil marks 
Cave formation
9 Cave formation 
Tricolor bat
10 Tricolor bat