Relief shown by hachures. Map shows the daily tracks of the vessels along the land discovered by the Expedition, the wind currents, air and water temperature, lines of variation, and icy barrier by which it is bounded. Includes five views of Antarctic continent shoreline. From: Atlas [to accompany] Narrative of the United States Exploring Expedition during the years 1838-1842. Philadelphia : Lea & Blanchard, 1845.