DEPTHX being lowered into La Pilita near Cenote Zacaton, March 2007.
DEPTHX on a preliminary dive in one of the shallower cenotes of Sistema Zacaton, February 2007.
Doctoral student Marcus Gary of the University of Texas at Austin's Jackson School of Geosciences SCUBA dives with the DEPTHX probe during initial in-water tests at The University of Texas at Austin Applied Research Laboratories wet test facility.
L to R: George Kantor (Carnegie Mellon University), Ernest Franke (Southwest Research Institute) and John Spear (Colorado School of Mines) watch the crane lower DEPTHX into La Pilita near Cenote Zacaton, March 2007.
Marcus Gary of the University of Texas at Austin's Jackson School of Geosciences with DEPTHX.
DEPTHX submerges in La Pilita, near Cenote Zacaton, March 2007.
DEPTHX being lowered into La Pilita sinkhole near Cenote Zacaton, March 2007.
L to R: Antonio Fregoso (Universidad del Noreste) and Marcus Gary with DEPTHX.
L to R: Marc Airhart and Marcus Gary of the University of Texas at Austin's Jackson School overlooking Cenote Zacaton. Gary is pointing out a white cross memorial to Sheck Exley, the diver who died in his attempt to break the world's deepest scuba dive record in 1994.
DEPTHX in el Cenote Zacaton, May 2007.
Members of the DEPTHX research team, May 2007.
Members of the DEPTHX research team explore Cuarteles, a dry cave near el Cenote Zacaton, May 2007.
Bill Stone, principal investigator of the NASA-funded DEPTHX project and CEO of Stone Aerospace Inc., on site at el Cenote Zacaton, May 2007.
Closeup of thrusters on DEPTHX, May 2007.
The DEPTHX team for mission 1 in February 2007 poses for a group photograph with the probe in front of the cenote La Pilita.
Bacterial mats photographed by Marcus Gary in Sistema Zacaton.
