REMOVE

1. Washington (D.C.)
2. Mitchell, Samuel Augustus
3. S.A. Mitchell

WHAT

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

WHERE

1. District of Columbia (3)

WHO

1. Burroughs, H.N. (2)
2. Barralet. (1)
3. Gamble, W. H. (1)

WHEN

1. 1846 (1)
2. 1849 (1)
3. 1880 (1)