REMOVE

1. Vegetation
2. Exploration Book
3. View
4. U.S.
5. Bien, Julius

WHAT

1. Agriculture (1)
2. Atlas Map (1)
3. Energy (1)
4. Forests (1)
5. School Atlas (1)

WHERE

1. Canada (1)

WHO

1. General Drafting Co., Inc … (1)
2. McGraw-Hill Book Company (1)
3. Western Publishing Compan … (1)

WHEN

1. 1968 (1)