REMOVE

1. Nebraska
2. Kuhn, E.
3. Petermann, A.

WHAT

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

WHERE

1. Minnesota (1)
2. North Dakota (1)
3. South Dakota (1)
4. U.S. Mid West (1)

WHO

1. Eberhardt, H. (1)
2. Habenicht, H. (1)
3. Justus Perthes (1)
4. Metzeroth, C. (1)

WHEN

1. 1875 (1)