BALD EAGLE GROTTO
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SPRING MAR 2024
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Our Work
Ground penetrating radar (GPR) produces an underground cross-sectional image of the subsurface soil and rock. Depths up to 30 feet (10 meters) or more can be examined.
June 2013
Attempting to find new passages and voids.
November 2012
The first rough test run.
Home
Grotto History
Meeting Info
Contact Us
New Caver Information
>
Equipment
Membership
Joining the Grotto
Bylaws
T-shirts and Patches
SPRING MAR 2024
Schedule of Events
>
Cave Trips
Online Registration
Mail-in Registration & Payment
Information on Snyder/Mifflin Counties
Alexander Caverns
Calendar
Resources
Minutes and Newsletters