REMOVE

1. Agriculture
2. Text Page
3. U.S. Census Bureau
4. 1964

WHAT

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

WHERE

1. Mexico (2)
2. Central Mexico (1)
3. Mexico City (Mexico) (1)

WHO

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

WHEN

1. 1967 (2)