REMOVE

1. roads
2. sky
3. automobiles
4. fields (land)
5. utility poles
6. 1960

WHAT

1. Visual Works (hierarchy n … (1)
2. atmospheric perspective (1)
3. banks (landforms) (1)
4. black-and-white film (1)

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WHERE

1. Maryland (1)

WHEN

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