Description: Map of the World. "The track laid down in Map No. 1 is that of the U. S. Exploring Expedition, in the voyage round the World performed in the years 1838, 39, 40, 41 and 42. The arrows indicate the direction sailed." —Mitchell's School Atlas, 1863 Source: , Mitchell's School Atlas (Philadelphia, Pennsylvania: E. H. Butler & Co., 1863) Map Credit: The Private Collection of Roy Winkelman
