Extracting oil from sand, a photo essay - (dmcarls) - (7) - May 25, 2012, 11:05:49 PM EDT
         Thanks. -NT - (Another Scott) - May 25, 2012, 11:24:54 PM EDT
         The new way looks a lot better. Thanks! -NT - (mmoffitt) - (3) - May 26, 2012, 06:48:41 AM EDT
             New way? -NT - (drook) - (2) - May 26, 2012, 11:12:32 AM EDT
                 after the last photo - (SpiceWare) - (1) - May 26, 2012, 02:26:16 PM EDT
                     Thanks ... freakin' javascript navigation - (drook) - May 26, 2012, 03:26:15 PM EDT
         Well, I'm glad to see Caterpillar is well represented there - (Andrew Grygus) - May 26, 2012, 12:58:38 PM EDT
         Most informative - (Ashton) - May 26, 2012, 06:45:41 PM EDT