MapYiyang Xian he tu.
宜陽縣河圖. | Map of the river systems in Yiyang County Scale ca. 1:25,000. Shows rivers in Yiyang Xian, Henan Sheng. Cover title. Manuscript on silk. Labels pasted on to show physical features. Oriented with north to the bottom. Relief shown pictorially. Pictorial...
- Contributor: Hummel, Arthur W. (Arthur William)
- Date: 1734