REMOVE

1. World Atlas
2. Paleontology
3. Ireland
4. William Blackwood

WHAT

1. Atlas Map (2)
2. Composite Map (1)
3. Data Visualization (1)

WHERE

1. England (2)
2. Scotland (2)
3. Wales (2)

WHO

1. Forbes, Edward (3)
2. Johnston, Alexander Keith … (3)
3. W. Johnston (3)

WHEN

1. 1850 (3)