REMOVE

1. Oregon
2. Blue Mountains
3. U.S.
4. 1885

WHAT

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

WHERE

1. Ecuador (1)
2. New Granada (1)
3. Venezuela (1)

WHO

1. Barralet. (1)
2. Burroughs, H.N. (1)
3. Gordon, T. (1)
4. Humphrys, F. (1)
5. Knight, J. (1)

WHEN

1. 1849 (1)