REMOVE

1. Tresilian, Stewart R.
2. Dufrenoy
3. U.S. Civil War
4. 1895

WHAT

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

WHERE

1. Pennsylvania (2)
2. United States (2)
3. Philadelphia (Pa.) (1)

WHO

1. Gamble, W.H. (2)
2. Mitchell, Samuel Augustus … (2)
3. S.A. Mitchell Jr. (2)
4. U.S.C.S. Dept. (2)
5. Williams, W. (2)

WHEN

1. 1868 (2)