| GMD | Rare map |
| Language | Chinese |
| Classification | F7823 K8 s100 W8 S34 1930 |
| Publisher | 中國參謀部陸地測量總局, 1930 |
| Subject | Maps -- Guangdong Sheng (China)Old map -- ChinaRepublic of China (1912 - 1949)Heyuan 河源縣 (Guangdong Sheng, China)Boluo 博羅縣 (Guangdong Sheng, China)Zijin 紫金縣 (Guangdong Sheng, China) |
| Description | 1 map: b&w.; 59x40cm. folded in envelope 22x28 cm. |