REMOVE

1. Mining
2. Covers
3. Pocket Map
4. California

WHAT

1. Statistical Table (1)
2. World Atlas (1)

WHERE

1. Belgium (1)
2. Low Countries (1)
3. Netherlands (1)
4. Switzerland (1)

WHO

1. Hassel, S. G. H., 1779-18 … (1)
2. Ph. Vandermaelen (1)
3. Vandermaelen, Philippe, 1 … (1)

WHEN

1. 1827 (1)