REMOVE

1. Sea Charts
2. Printed
3. Nautical charts
4. Macao (China)
5. China Sea
6. Vietnam

WHAT

1. Coasts (1)

WHERE

1. Hainan Sheng (China) (1)
2. Macao (China) (1)
3. Paracel Islands (1)
4. Philippines (1)

WHO

1. Horsburgh, James, 1762-18 … (1)

WHEN

1. 1848 (1)