Name StatusOfficial ValidatedFeatureValleyNZ Gazette Reference2012 (53) p.1477DatumRSRGD2000GeoTag[1] PositionDescriptionAn ice-free valley lying 4 mi N of Mount Gran and trending ENE for about 10 mi along the SE side of the Convoy Range. Parker Calkin, U.S. geologist, made stratigraphic studies in the valley during the 1960-61 season. Named by US-ACAN in 1963 for the USNS Alatna which participated in Operation Deep Freeze 1958-59 and 1959-60, and in keeping with other ship names in the Convoy Range.
