REMOVE

1. Oregon
2. Nevada
3. Washington
4. Idaho
5. Metzeroth, C.
6. Justus Perthes

WHAT

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

WHERE

1. Belgium (1)
2. Netherlands (1)

WHO

1. Bar, I.C. (1)
2. Berghaus, H. (1)
3. Hubbe, H. (1)
4. Justus Perthus (1)
5. Reichard, C.G. (1)

WHEN

1. 1831 (1)
2. 1837 (1)