REMOVE

1. Separate Map
2. Oregon
3. Idaho
4. Cascade Mountains
5. Blue Mountains

WHAT

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

WHERE

1. British Isles (1)
2. England (1)
3. Ireland (1)
4. Scotland (1)
5. Wales (1)

WHO

1. Barriere (1)
2. Delamarche, Felix (1)
3. F. Delamarche (1)
4. Pelicier (1)

WHEN

1. 1824 (1)
2. 1826 (1)