Name StatusApproved: NZGB Antarctic CommitteeFeatureCliffsNZ Gazette Reference2009 (77) p.1803DatumRSRGD2000GeoTag[1] PositionDescriptionA prominent escarpment, about 46 km long, bordering Geologists Range. Discovered by the northern party of the New Zealand Geological and Survey Antarctic Expedition (1961-62). Named after H.W. Wellman, New Zealand geologist who devised a simple method of map making from air photos, used by the expedition.