REMOVE

1. Robertson, J.
2. U.S.
3. Lawson, O. A.

WHAT

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

WHERE

1. Arkansas (1)
2. Kansas (1)
3. Louisiana (1)
4. Mississippi (1)
5. Missouri (1)

WHO

1. USSR (1)
2. USSR (Union of Soviet Soc … (1)

WHEN

1. 1967 (1)