Haejoajeondo (úñ¥îïÓñ) Mid-19th Century, 55.8¡¿98.3, Wooden Engraving¡þ¡þ [Haejoajeondo] is the wooden engraving of map produced in the mid-19th Century. Many of its printed versions remain today. Its margins are filled with historical records and help us understand what the map is indicating. The mountains, rivers, and towns are indicated in simplified forms, and the roads, seaways, and boundaries are marked relatively accurately. Following the tradition of the 18th Century, it clearly indicates Ulleungo and Usando.