Name StatusApprovedFeatureTroughNZ Gazette Reference2005 (45) p.1116DatumRSRGD2000GeoTag[1] PositionDescriptionA primary elongate trough in the Labyrinth of Wright Valley, McMurdo Dry Valleys, extending W-E across the N part of the feature. Named by US-ACAN (2004) after John Shaw, Department of Geography, University of Alberta, Edmonton, Canada, who, with Terry R. Healy, published observations on the formation of the Labyrinth following a visit in the 1975-76 season.