Name StatusApprovedFeatureIce FallNZ Gazette Reference2003 (17) p.504DatumRSRGD2000GeoTag[1] PositionDescriptionA line of icefalls nearly 200m high at the south margin of Chapman Snowfield, Churchill Mountains. The icefalls extend south-west for 20km from Mount Massam, ending near the head of Starshot Glacier. Named after Ezekiel R Sosa, USGS topographic engineer with the Topo North-Topo South survey expedition in these mountains, 1961-62.