REMOVE

1. Panama Canal Zone

WHAT

1. Atlas Map (2)
2. National Atlas (1)
3. Physical (1)
4. Pictorial map (1)
5. Political (1)

WHERE

1. Caribbean (1)
2. Central America (1)
3. Panama (1)
4. Puerto Rico (1)

WHO

1. Denoyer-Geppert Company (1)
2. Garden City Publishing Co … (1)
3. Hammond, C.S. (1)
4. Jones, Clarence F. (1)
5. Little, Brown, and Compan … (1)

WHEN

1. 1935 (1)
2. 1948 (1)
3. 1960 (1)