REMOVE

1. Covers
2. Case Map
3. 1846

WHAT

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

WHERE

1. Idaho (1)
2. Montana (1)
3. Oregon (1)
4. Washington (1)

WHO

1. Campbell, R.A. (1)
2. Mitchell, Samuel Augustus (1)
3. R.A. Campbell (1)
4. S.A. Mitchell, Jr. (1)
5. Walling, H. F. (1)

WHEN

1. 1870 (1)