TOPONYMY This chart is produced under the auspices of the International Hydrographic Organization and is part of a cartographic scheme which covers the area of application of the Antarctic Treaty. Claims to Territorial Sovereignty, addressed by Article IV of the Antarctic Treaty, are not depicted on this chart. The producer nation (UK) has rendered all names in accordance with its own national toponymic practice, and with IHO Specifications and Regulations for International (INT) Charts and this does not necessarily reflect the practice of other nations.