REMOVE

1. Guide Book
2. Atlas Map
3. Birch, Del
4. 1836

WHAT

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

WHERE

1. Delaware (1)
2. Maryland (1)
3. Mid-Atlantic States (1)
4. New York (1)
5. Pennsylvania (1)

WHO

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

WHEN

1. 1967 (1)