| GMD | Rare map |
| Language | Chinese |
| Classification | F7823 K8 s100 W16 S46 1931 |
| Publisher | 廣東省陸地測量局, 1931 |
| Subject | Maps -- Guangdong Sheng (China)Old map -- ChinaRepublic of China (1912 - 1949)Haikang 海康縣 (Guangdong Sheng, China)Xuwen County 徐聞縣 (Guangdong Sheng, China)Naozhou 硇洲島 |
| Description | 1 map: b&w.; 66x40cm. folded in envelope 22x26 cm. |