REMOVE

1. Mongolia
2. Hainan Sheng (China)
3. India
4. Korea
5. Erhard Bros. (Firm), engrave …

WHAT

1. Bonvalot, Gabriel, 1853-1 … (1)
2. Discoveries in geography (1)
3. Printed (1)
4. Thematic Maps (1)

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WHERE

1. Bay of Bengal (1)
2. China (1)
3. Hainan Sheng (China) (1)

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WHO

1. Erhard Bros. (Firm), engr … (1)

WHEN

1. [ca. 1892] (1)