REMOVE

1. fields (land)
2. plants
3. trees
4. roads
5. utility poles
6. 1970

WHAT

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

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WHERE

1. Maryland (1)

WHEN

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