Name StatusApproved: NZGB Antarctic CommitteeFeatureRidgeNZ Gazette Reference2009 (77) p.1803DatumRSRGD2000GeoTag[1] PositionDescriptionA narrow, steep-sided ridge about 9 mi long, forming the N wall of Hand Glacier in the Victory Mountains, Victoria Land. Mapped by USGS from surveys and U.S. Navy air photos, 1960-64. Named by US-ACAN for James L. Clapp, member of the USARP glaciological party to Roosevelt Island, 1967-68.