REMOVE

1. Tyson, Philip T.

WHAT

1. Atlas Map (1)
2. Geology (1)
3. State Atlas (1)
4. Wall Map (1)

WHERE

1. Central America (1)
2. District of Columbia (1)
3. Maryland (1)
4. North America (1)
5. Washington (D.C.) (1)

WHO

1. A. Hoen & Co. (1)
2. Dromme, T. (1)
3. Gray, Ormando Willis (1)
4. Humboldt, Alexander von, … (1)

WHEN

1. 1862 (1)
2. 1873 (1)