REMOVE

1. Chicago (Ill.)
2. S.A. Mitchell Jr.
3. U.S.C.S. Dept.

WHAT

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

WHERE

1. Illinois (2)
2. United States (1)

WHO

1. Gamble, W.H. (2)
2. Mitchell, Samuel Augustus … (2)
3. Williams, W. (2)

WHEN

1. 1868 (1)
2. 1874 (1)