Aubri,
Please sent me a detailed email on how to connect with Periscope as this "Bob"
presentation is not to be missed!
My previous attempts to connect via Periscope have not been successful.
By the way continuing on this porcupine thread, many Texas cavers explored
caves in the Bob Marshal W
Greetings, cavers!
At the grotto meeting this week, Benjamin Schwartz will present on cave
exploration in the Bob Marshall Wilderness, Montana! This includes Tears of
the Turtle, the deepest known cave in the continental US at over 1,600 ft
below ground surface. It is a challenging cave not only fo