User contributions
- 12:15, 2 March 2013 (diff | hist) . . (+8,829) . . Ogallala Aquifer (current)
- 11:35, 2 March 2013 (diff | hist) . . (+427) . . Ogallala Aquifer
- 11:32, 2 March 2013 (diff | hist) . . (-869) . . Ogallala Aquifer
- 11:27, 2 March 2013 (diff | hist) . . (+860) . . Ogallala Aquifer
- 11:23, 2 March 2013 (diff | hist) . . (+1,230) . . Ogallala Aquifer
- 11:20, 2 March 2013 (diff | hist) . . (+379) . . Ogallala Aquifer