REMOVE

1. Sea Charts
2. Manuscripts
3. Coasts
4. Shangchuan Island
5. 17--?

WHAT

1. Waterways (1)

WHERE

1. Guangdong Sheng (China) (1)
2. Luzon (Philippines) (1)
3. Pearl River Estuary (Chin … (1)

WHO

1. Anonymous (1)

WHEN

1. 17--? (1)