| GMD | Rare map |
| Language | Chinese |
| Classification | F7823 K8 s100 W19 S42 1931 |
| Publisher | 廣東陸地測量局, 1931 |
| Subject | Old map -- ChinaGuangdong Sheng 廣東省 (China)Republic of China (1912 - 1949)Hepu County 合浦縣 (Guangdong Sheng, China) |
| Description | 1 map: b&w. ; 40 x 67 cm., folded in envelope 27 x 23 cm. |