underarockphoto:
Wet downstream entrance.
underarockphoto:
Wet downstream entrance
underarockphoto:
Gold actinomycete bacteria
underarockphoto:
Trunk
underarockphoto:
Water droplets on the ceiling.
underarockphoto:
Dry Downstream entrance.
underarockphoto:
#100 "selfie"
underarockphoto:
Jon Heinrich in the Sinks
underarockphoto:
Fall colors on Whitmer road.