Other projects - update
| November 1997 | Minotauro .... by Christophe Le Maillot |
| January 1998 | Parking Lot Collapse.... by Fred Devos |
| February 1998 | Sistema Actun Koh .... by Fred Devos |
| July 1998 | Sistema Dos Pies ... by Fred Devos |
| October 1998 | Discover The Unknown ... by Bernd Birnbach |
| December 1998 | Sistema Actun Chen .... by Christophe Le Maillot |
| January 1999 | Connections To The Sea ... by Fred Devos |
| August 2000 | New Cave Systems Discovered In Punta Venado .... by Fred Devos |
| September 2000 | Wet & Dry .... by Fred Devos |
| October 2000 | Tunnels & Walls... By Fred Devos |
| November 2000 | Conservation ... by Christophe Le Maillot |
| March 2001 | The Big Picture ... by Fred Devos |
| September 2001 | Snakes, but no Ladders by Fred Devos |
| March 2002 | The Caves of Tinum ... by Fred Devos |
| September 2002 | The Dry Caves of Puerto Aventuras ... by Fred Devos |
| March 2003 | The Fading Line ... by Fred Devos |
| December 2005 | Exploring Sistema Maya ... by Christophe Le Maillot |