REMOVE

1. Historical
2. Navigation

WHAT

1. National Atlas (3)
2. Atlas Map (2)
3. Nautical Charts (2)

WHERE

1. Canada (2)
2. Greece (1)
3. Mediterranean Sea (1)

WHO

1. Canada. Department of Min … (2)
2. Comtois, Paul (2)
3. Department of Mines and T … (2)
4. Nicholson, N. L. (Norman … (2)
5. Aspioti-ELKA (Firm) (1)

WHEN

1. 1958 (2)
2. 1940 (1)
3. 1946 (1)
4. World War II (1)