User contributions
- 13:15, 2 March 2013 (diff | hist) . . (+8,829) . . Ogallala Aquifer (current)
- 12:35, 2 March 2013 (diff | hist) . . (+427) . . Ogallala Aquifer
- 12:32, 2 March 2013 (diff | hist) . . (-869) . . Ogallala Aquifer
- 12:27, 2 March 2013 (diff | hist) . . (+860) . . Ogallala Aquifer
- 12:23, 2 March 2013 (diff | hist) . . (+1,230) . . Ogallala Aquifer
- 12:20, 2 March 2013 (diff | hist) . . (+379) . . Ogallala Aquifer