Name StatusApproved: NZGB Antarctic CommitteeFeatureBluffNZ Gazette Reference2009 (77) p.1803DatumRSRGD2000GeoTag[1] PositionDescriptionA rock bluff marking the S side of the mouth of Svendsen Glacier, in the Usarp Mountains. Mapped by USGS from surveys and U.S. Navy air photos, 1960-62. Named by US-ACAN for Claude J.M. Lenfant, USARP biologist at McMurdo Station, 1967-68.