REMOVE

1. View
2. Geology
3. Wyoming
4. Bien, Julius

WHAT

1. Atlas Map (1)
2. Exploration Book (1)
3. Physical (1)

WHERE

1. Black Hills (S.D. and Wyo … (1)
2. South Dakota (1)

WHO

1. Geographical and Geologic … (1)
2. Hayden, F.V. (1)
3. Holmes, William Henry, 18 … (1)
4. Jenney, Walter Proctor, 1 … (1)

WHEN

1. 1878 (1)
2. 1879 (1)