REMOVE

1. Colorado
2. Idaho
3. South Dakota

WHAT

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

WHERE

1. Nebraska (1)
2. North Dakota (1)

WHO

1. Doepler, C.E. (1)
2. Johnson & Browning (1)
3. Johnson and Ward (1)
4. Johnson, A.J. (1)
5. Knowles Hare, J. (1)

WHEN

1. 1864 (1)