Name StatusApprovedFeatureCirqueNZ Gazette Reference2005 (45) p.1116DatumRSRGD2000GeoTag[1] PositionDescriptionA cirque between Mount Electra and Mount Dido on the S side of Olympus Range, McMurdo Dry Valleys. The cirque opens S to the Labyrinth. Named by US-ACAN (2004) after Gregg Leibert, PHI helicopter pilot with USAP in seven consecutive field seasons from 1986-97.