REMOVE

1. Mining
2. Central America
3. Nevada
4. Iceland

WHAT

1. Atlas Map (1)
2. World Atlas (1)

WHERE

1. Alaska (1)
2. North America (1)
3. North Pacific Ocean (1)
4. Pacific (1)
5. Russia (1)

WHO

1. Baldwin, Cradock, and Joy (1)
2. John Cumming (1)
3. John Thomson (1)
4. Neele, Samuel John, 1758- … (1)
5. Thomson, John (1)

WHEN

1. 1816 (1)
2. 1817 (1)