17:26, 13 December 2007Marcairharttalkcontribs uploaded File:Depthx.jpg(DEPTHX robot being lowered into La Pilita, one of several water-filled sinkholes in Sistema Zacaton (in northeastern Mexico). Photo taken by Marc Airhart in March 2007. I release it into the public domain, but would appreciate proper credit upon reuse.)
23:15, 10 December 2007Marcairharttalkcontribs uploaded File:Jackson-school-UT-logo.png (Jackson School of Geosciences logo (with University of Texas at Austin text). Burnt orange text on transparent background. Current as of 2007.)
21:10, 10 December 2007Marcairharttalkcontribs uploaded File:Jackson-school-logo.png (Logo for the Jackson School of Geosciences at the University of Texas at Austin. Current logo as of 2007. Burnt orange lettering on transparent background.)