REMOVE

1. Text Page
2. Geology
3. View
4. Geologic Atlas

WHAT

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

WHERE

1. Iowa (1)
2. Minnesota (1)
3. U.S. Mid West (1)
4. Wisconsin (1)

WHO

1. Hassel, S. G. H., 1779-18 … (1)
2. Ode, Henri (1)
3. Ph. Vandermaelen (1)
4. Vandermaelen, Philippe, 1 … (1)

WHEN

1. 1827 (1)