REMOVE

1. Roads
2. State Atlas
3. Mitchell, Samuel Augustus

WHAT

1. Atlas Map (3)
2. Canals (1)
3. Shipping (1)

WHERE

1. Asia (1)
2. Connecticut (1)
3. Erie Canal (N.Y.) (1)
4. New York (1)

WHO

1. Evans (2)
2. S.A. Mitchell (2)
3. Tanner, Henry S. (2)
4. Campbell, R.A. (1)

WHEN

1. 1846 (2)
2. 1870 (1)