REMOVE

1. automobiles
2. hills
3. landscapes (representations)
4. roads
5. black-and-white film
6. Maryland

WHAT

1. Visual Works (hierarchy n … (1)
2. atmospheric perspective (1)
3. banks (landforms) (1)

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WHEN

1. 1960 (1)
2. 1970 (1)
3. between 1960 - 1970 (1)