REMOVE

1. Vegetation
2. School Atlas
3. Climate
4. Ohio

WHAT

1. Physical (2)
2. Political (2)
3. Wall Map (2)

WHERE

1. China (1)
2. Korea (1)
3. Mongolia (1)
4. New Zealand (1)
5. Tibet (1)

WHO

1. George Philip & Son, Ltd. (2)
2. The London Geographical I … (2)

WHEN

1. 1951 (1)
2. 1963 (1)