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Group Description

Formed in 1968, the Eastern States Speleological Organization (ESSO) has been promoting the sport of caving for 45 years.

The ESSO Grotto Yahoo group is open to all members of the ESSO Grotto of the National Speleological Society.

PICTURE - Mark Walker hangs over the 600ft lip of Whiteside Mountain. The rappel sets 4930 ft above the valley.

Visit the grotto webpage at


See the current trip calendar at

Grotto Trip Calendar

Group Information

  • 123
  • Caving
  • Feb 25, 2004
  • English

Group Settings

  • This is a restricted group.
  • Attachments are permitted.
  • Members cannot hide email address.
  • Listed in Yahoo Groups directory.
  • Membership requires approval.
  • Messages are not moderated.
  • All members can post messages.

Message History