Upcoming Presentations

For presentation-related inquiries, please contact Carl Haken

The 2025 flash presentation theme is Survey and Cartography

Date2025 Story: CartographyMain PresentationPresenter
Oct 7Visual Representations of Cave Morphology: Will HeltsleyMapping Plunge PoolCarl Haken
Nov 4Evolution of Cartography: Carol VeselyThe Unusual Caves of Brazil Carol Vesely and Nancy Pistole
Dec 2Using TopoDroid: Carl HakenGating the UnderworldAlan Rice, James Rice, David Angel

October 7

Mapping Plunge Pool

Grotto Chairman Carl Haken recounts the trials and tribulations of mapping Plunge Pool cave in the Anza Borrego desert.

Photo: Carl Haken

November 4

The Unusual Caves of Brazil

World-traveling cave surveyors Carol Vesely and Nancy Pistole describe their recent experiences attending the 2025 International Congress of Speleology in Brazil, and going to some sweet caves!

Photo: Nancy Pistole

December 2

Gating the Underworld

Professional bat gating contractors Alan Rice, James Rice, and David Angel describe the process of cave and mine gating. Why and how the underground spaces become gated as well as the various techniques used.

Photo: David Angel